1 more question after this???

x=60°

Step-by-step explanation:

straight line=180°

x+30+90=180

x+120=180

x =180-120

x=60°

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3