2+2-2+2+2-2+2-2+2^23+323 Divided by 45^12

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.