If 5 chairs have 20 legs, how many chairs are represented by 120 legs?

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

Write the pair of fractions as a pair of fractions with a common denominator

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?