Gallon of cleaner are on sale for 50% off the regular price of $3.18. a customer buys one gallon and the cashier $5.00 the customer change is

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

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?