Write an equation of the line that passes through the points (0,7),(6,10)

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)