What speed is the fastest, 18 feet in 20 minutes, 90 feet in 2.5 hours, 20 feet in 1.5 hours, or 3 2/3 feet in 1.5 hours.

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

Evaluate the given expression if m=45 |-3m|

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?