Im feeling really bad I need help asap​

Use the distributive law to multiply. 3(4x + 5y + 6)

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi