A student has a container with a volume of 2.5 liters. She estimates the volume to be 2.2 liters. By what percent is the student's estimate off?
(Round to the nearest percent as needed.)

Write an algebraic expression for the word expression the quotient of c and 8

What is the value of x in the following equation. -x ^3/2 = -27

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?