What is the solution to this epuation x+6=24

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.