I need help with angle relationships i put a picture pls help me someone kind or a math tutor!!

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

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In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?