20. a square has sides that are 20 inches long. fill in the equations below that can be used to calculated, the diagonal length of the square, in inches. a) sin(45) = b) cos(45) = c) use pythagorean theorem to solve for d:

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

What is the volume of a rectangular crate that has dimensions 9 inches by 9 inches by 1 feet? 1,458 in.3 121.5 in.3 1,012.5 in.3 36 in.3