Factor 20x2 + 35x plz help

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

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

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10