If you purchase a Costco membership for $60 a year you can buy gas for $1.86 a gallon. If you don't purchase the membership you would have to pay on average $2.40 a gallon. What are the equations from the situation above?

What is the solution to the inequality

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z