9x-5y=29 find the value of y when x equals 1

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box