Peter wants to put 2 coats of paint on both the inside and outside of the walls. there are 5 walls, each side having 45 ft2 of paintable surface. a gallon of paint covers x ft2. explain how to write an expression to represent the number of gallons of paint peter needs.

Write an equation of the line given the two points below (write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6, -4)

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c