Four gallons of paint are used to paint 25 chairs. if each chair used the same amount of paint, how many gallons are used to paint each chair? between what two whole numbers does your answer lie?

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square