Michael's haircut was $14.00. He gave a tip of $3.50. What percent did Michael leave as a tip?

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What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

What is the y intercept of f(x)=(1/2)^x?

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?