Find the missing value to the nearest hundredth.
cos =9/20

Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme

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

Which math sentence can be used to determine if the triangle is a right triangle?