farmer doug has some pigs and chicken. one day he counted 24 legs and and 7 heads in the barn yard how many of each animal did farmer doug count

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

Standard deviation of 19,29,21,22,23

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