A survey has a margin of error of +/– 3%. What is the range of number of people who will vote for a candidate if 87 of the 110 people said they would vote for the candidate and there are 9570 people in the district?

A. 7342 to 7796
B. 7343 to 7769
C. 7345 to 7796
D. 7242 to 7696

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible