Please answer this correctly please label the numbers correctly no making mistakes

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76