Sally invests $7000 at 3% annual interest rate. If interest is compounded semi-annually, how much will be in the account after 4 years?

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.

Which representation has a constant of variation of -2.5

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.