Lynn gave her hair stylist a $4.50 tip. The tip was 18% of the cost of the haircut. Write an equation to find b, the cost of the haircut.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?