What is the value of x in the equation 1/5x  –2/3y = 30, when y = 15? a.4 b.8 c.80 d.200

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

What is the value of x when x + 7 = 21?

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?