What is required by cells for the efficient release of energy from food

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

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?