Mobile phone battery life phone battery life (hours) a 20 b 25 c 10 d 18 if 8.45% of the battery life of each mobile phone is used in a day by a typical user, for which mobile phone is 2.1 hours of battery life used in a day? phone a phone b phone c phone d question 2(multiple choice worth 1 points) (03.05 mc) macy wants to buy a skateboard for $42. she has $95 in her account. she spent $12.99 to buy stationary. she also wants to buy some ice cream bars for $3.07 each. what is the maximum number of ice cream bars, n, that macy can buy so that she has enough money left to buy the skateboard? n ≤ 13 n ≥ 13 n ≤ 16 n ≥ 16 question 3(multiple choice worth 1 points) (03.01 lc) which expression is equivalent to 2(m − 4) + 1? 2m − 7 2m − 3 2m + 9 2m + 10 question 4(multiple choice worth 1 points) (03.01 lc) kiri has red and white roses in groups of 8. she has x groups of red roses and y groups of white roses. which expression shows the total number of roses that kiri has? x over 8 + y over 8 8x + 8y 8x + y x + 8y question 5(multiple choice worth 1 points) (03.02 mc) meg conducted a survey of four school cafeterias to find the number of students who like sandwiches for lunch. the results of her survey are recorded in the table below: school cafeteria survey school total number of students in the cafeteria number of students who like sandwiches a 38 12 b 48 9 c 26 10 d 24 8 which school has the greatest percentage of students who like sandwiches for lunch? school a school b school c school d question 6(multiple choice worth 1 points) (03.04 mc) sam bought 86 pounds of flour for his bakery. every day he used the same amount of flour to make bakery items. after 10 days, sam was left with 25.2 pounds of flour. on average, how many pounds of flour did sam use each day? 3.01 pounds 5.65 pounds 6.08 pounds 11.12 pounds question 7(multiple choice worth 1 points) (03.05 hc) in a dance competition, a participant has to score a total of at least 30 points in the first four rounds combined to move on to the fifth and final round. steward scored 5 points in the first round. he then went on to score additional points in the second, third, and fourth rounds. in each of those rounds, his score was identical. which inequality best shows the number of points, p, that steward scored in each of the second, third, and fourth rounds if he earned a place in the finals? 5 + 3p ≥ 30 5 + 3p ≤ 30 5p + 3 ≥ 30 5p + 3 ≤ 30 question 8(multiple choice worth 1 points) (03.01 mc) brent has two barcode printing machines. each machine can print 25 barcodes per minute. on day 1, only the first machine was used, and it printed 95 barcodes. on the following day, the first machine printed for x minutes and the second machine printed for y minutes. which expression shows the total number of barcodes printed by both machines during these two days? 95 + 25x + 25y 120x + 25y 25 + 95x + y 95x + 50y question 9(multiple choice worth 1 points) (03.04 mc) the sum of three consecutive numbers is 84. what is the largest of these numbers? 26 27 28 29 question 10(multiple choice worth 1 points) (03.04 lc) what is the first step needed to solve 3 over 4 multiplied by x minus 3 equals negative 18? add 3 to both sides subtract 18 from both sides multiply both sides by 3 divide both sides by 4 question 11(multiple choice worth 1 points) (03.02 mc) the number of pages that zak, karen, malia, and ali can read in a day is shown below: zak read 15% of his 56-page book. karen read 12% of her 64-page book. malia read 14% of her 68-page book. ali read 10% of her 72-page book. who can read the greatest number of pages in a day? zak karen malia ali question 12(multiple choice worth 1 points) (03.05 mc) shawn wants to use an elevator to carry identical packages having the same weight. each package weighs 5 pounds and shawn weighs 100 pounds. if the elevator can carry a maximum of 340 pounds at a time, which inequality shows the maximum number of packages, n, that shawn can carry with himself in the elevator if he is the only passenger? n ≥ 48 n ≤ 235 n ≤ 48 n ≥ 235 question 13 (true/false worth 1 points) (03.01 mc) select true or false. the expression 3x − 4(2x − 5) is equivalent to the expression 20 − 5x. true false