Using the coordinates of two points (84, 80) and (74, 65), determine the slope of the line of best fit.
a. the slope of the line is 1.5.
b. the slope of the line is 15.
c. the slope of the line is -10.
d. the slope of the line is -15

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?