Let f(x)=5x^3-1 and g(x)=5-4x^2. Evaluate the following. 1. f(x+2)

2. (fg)(3)
3. (f・f)(2)

(Number 4 is a fraction)
4. G(x+h)-g(x)/h

Show work please!!

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Ineed in figuring out this problem.

Abcd is a square. what is the measure of angle bac