Two cars got an oil change at the same auto shop. The shop charges customers for each quart of oil plus a flat fee for labor. The oil change for one car required 5 quarts of oil and cost $20.70. The oil change for the other car required 7 quarts of oil and cost $23.20. How much is the labor fee and how much is each quart of oil?

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Do,h = (7, 9) (14, 18) the scale factor is

Which strategy is used by public health to reduce the incidence of food poisoning?