Astudent fond the slope of a line that passes through the points (-8,-6) and (2,-3) to be 3/10. what mistake did she make?
a. she forgot the negative sign
b. she calculated the run over the rise
c. she did not make a mistake. that is the correct slope.
d. she used the negative reciprocal of the slope.

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.

The measure of an angle is 117°. what is the measure of a supplementary angle?

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.