It takes about 45 minutes to grade a student's paper. how long, in hours, does it take to grade papers for a class of 33?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1