Brianna writes 4 × 5 to show the number 20 as a product of its prime factors. Does her answer make sense? Complete the explanation.

4 a prime number. She should write × × .

If the measure of xyz is 81 what is the measure of yz

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 total area of the figure?