Which of the following statements about opposites is true? Choose all correct answers. A. The opposite of 5 is −5.
B. −(−8)=−8
C. The opposite of 0 is 0.
D. −(−2)=2

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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.

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.