Show work for number 3 please

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?

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1