15) find g (1) and

17) if (x)=25 what is the valué of x

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Bring the fraction a/a-4 to a denominator of 16-a^2

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?