For this exercise, round all regression parameters to three decimal places. The following table shows national health care costs, measured in billions of dollars.
Date19701980199020002010
Costs in
billions7525371413532570
(a) Plot the data. (Let t be years since 1970 and H the costs in billions of dollar

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.

Select the quadratic that has root x = 8 and x = -5

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels