Evaluate. (w^2/x -3) ÷ 10 × z when w = -4 x = 0.8. and z = -4/5 Enter your answer as a simplified mixed number in the box.

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.