Paul, Colin and Brian are waiters. One night the restaurant earns tips totalling £77.40.
They share the tips in the ratio 2:3:4.
How much more does Brian get over Paul?

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.

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?

Line ab contains points a(4, 5) and b(9.7). what is the slope of ab?