Need fast grade cant get low 1) which of the following is an equation for the line that is perpendicular to y = -3x - 4 and going through point (2,-5)? a) y + 5 = (1/3)(x - 2) b) y + 5 = (-1/3)(x - 2) c) y + 5 = 3(x - 2) d) y + 5 = (1/3)(x - 4) e) y - 5 = (1/3)(x - 2)

What is the difference between regular convex and concave polygons

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.

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?