hershel offered to pay for the lunches of his two friends plus his own lunch. each lunch cost $6.46. he paid with a $20 bill. how much change did he receive.

A cylinder has a diameter of 22 cm and a height of 9 cm. Identify the volume of the cylinder.

Barry bought 18.50 meters of light rope at $0.480 per meter and three meters of heavy rope at $1.08 per meter. How much change did he get back from three $5 bills?

Solving equations what is k/-3=9

What is the factored form of 4x²+8x+10

The expression (2x^2+6x+5) - (6x^2+3x+5) is equivalent to

Given w (x) = 3x+8, find w (2b+6)

A mountain climber ascended 3 4 of a kilometer in 1 12 of an hour. What was the mountain climber's ascent rate in kilometers per hour?

Niki uses 15 litres of water every minute when she has a shower. She uses 100 litres of water when she has a bath. How many litres of water does she save by having a 3 1/2 minute shower instead of a bath?

How long does it takes the earth to complete one full revolution? A. 90 B. 180 C. 365

What are two factors of 36 that add up to 15