The four rectangles shown have different side lengths.

which pair of rectangles has equal perimeters?

a.)a and c

b.)b and d

c.)b and c

d.)a and d

What is the value of this expression when b= 5 6 (2b-4)

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.

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?