Explain how multiplying with 6 is like multiplying with 3

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What is the difference between the predicted value and the actual value

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.