Which expression is equivalent to 4 sqrt6 / 3 sqrt 2?

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Find the commission on a $590.00 sale if the commission is 15%.