Sara’s telephone service costs $21 per month plus $0.25 for each local call, and long-distance calls are extra. last month, sara’s bill was $36.64, and it included $6.14 in long-distance charges. how many local calls did she make?

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What is the approximate circumference of the circle shown below?

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

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest