Please type your answers, i can't view other peoples images on here.

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Tony has 7/8 of a candy bar he wants to split the bar into servings that are 3/10 of the bar how many servings can he make. step by step? ?

If you want to place a 10 1/2 inch wide picture frame in the center of a 4ft wall. how much space will be in each side of the picture? answer step-by-step : )