Review the table of values showing the number of days each year from 1990 to 1997 that air quality in San Diego did not meet federal air quality standards Which phrase best describes the regression model for the data? a) power model; y = 41.21x-0.86
b) exponential model; y = 54.97(0.71)*
c) logarithmic model; y = 39.14 - 17.93 In x
d) quadratic model; y = 0.60x2 – 10.38x + 46.73

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Taylor wants to paint his rectangular deck that is 41 feet long and 24 feet wide. a gallon of paint covers about 350 square feet. how many gallons of paint will taylor need to cover the entire deck? round your answers to two decimal places when necessary.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.