Caleb must choose from 4 books to take on a trip. He has 8 books to choose from. How many combinations of 4 books are available?

Find the indicated value, where g(t) = t^2-t and f(x)= 1+x a. -2 b. 0 c. 2 d. 8

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?