What is the rule to these ordered pairs

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?