Betty had $40 in her pocket. she bought 12 identical bags of popcorn. betty was left with $10 after buying the popcorn. what was the price, in dollars, of each bag of popcorn? 0.55 2.50 4.17 5.20

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

What is the prime factorization of 23 ?me with this question

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?