Find the unit rate.

18 houses on 3 blocks =
houses per block

Write an algebraic expression for the word expression the quotient of c and 8

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?