Fifteen decreased by four times a number

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.

Rewrite so the subject can be y in the formula d=m-y/y+n