Samantha can dry at least 25 cars an hour and at most 30 cars an hour at the car wash. Based on this information, what is a possible time in hours that it could take Samantha to dry 600 cars?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

1. 25pi ft^2 2. 5pi ft^2 3. 10pi ft^2 3. 20pi ft^2