Applications for a cellular phone cost $0.79 each. Ringtones cost $1.89 each. Write an algebraic expression that represents the total cost of buying a applications and r ringtones.

What is the answer to - 4-7x=31

Jill sells new cars at a local dealership. She receives a 25% commission on the profit each car is sold for. Last month she sold 9 cars, for a total of $8,870 dealer profit. how much did she earn in commission?

The expression x^3+2x^2+x+6/x+2

1/2k when k = 3/4 do I multiply

if I can eat 246 pieces of candy in 4 hours and 45 minutes approximately how many pieces of candy do i eat per hour

What is 500 divided by 20

The cylinder below has a volume of 536.94 cubic inches. What is the radius of the cylinder? (Use 3.14 for π.) 9 inches 18 inches 4.5 inches 3 inches

There is 3/4 of pizza leftover from the night before. How many 1/8 portions are there?

If it's - 5 and increases 10 degrees, how do you find the new temperature?

A pitcher of fruit punch holds two gallons. If 9 people share the punch equally how much punch does each person get