4/5 of a spinach casserole is leftover after Sam has lunch. Jackie and Alicia each take 1/2
of the left over casserole. Jackie eats only 2/3
of her portion.

What fraction of a whole casserole did Jackie eat? Express your answer as a simplified fraction.

Given this information, which expression must represent the value of b?

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.

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9