What is 45+33 45, plus, 33, is the same as something plus 30?

Is - 12.4 a rational or irrational number?

Derek wants to construct a square box stall for each horse that is to be housed in a stable. He wants all of the box stalls to have the same length on a side. Derek has a total area of 20,250 square feet in which to construct the box stalls.

The weight, W, in lbs, of a child is a function of its age, a, in years, so W = f (a). (a) Do you expect f ′ (a) to be positive or negative? Why? (b) What does f (8) = 45 tell you? Give units for the numbers 8 and 45.

Multiply 640 times 3 using partial products

Solve S = 5r^2t, for t

Name a fraction equivalent to 2/3

The teacher has 15 gold prize ribbons, 22 blue ribbons, and 5e red ribbons. There are 12 boys and 18 girls in the class.

3 (6x^2-5x+7) - 2 (-4x^2+8-10)

A model ship is built to a scale of 1 centimeter: 5 meters

Simply: x^3 y^3 / x^3 y^2 (the arrows mean to the power of the number)