The illustration is a good model for which formula? a. a = 2πr b. c = πd c. a = πr2 d. c = πd2

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry