Convert -450° from degrees to radians. (5 points) negative five pi divided by two
negative five pi divided by four
five pi divided by two
negative five pi

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

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Which geometric principle is used to justify the construction below?