For all nonzero values of x, (12x^6-9x^2)/3x^2=

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june. how many hours did cody work per week in june?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy. how much will she pay after the discount