The measure of two vertical angles are a X -18 and 6X +14 find X

Describe how fraction strips can you order fractions

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3