Let x, y, and z be values so that x = p(a), y = p(b), and z = p(a and b), where a and b are two events. express the value of p(a or b) in terms of x, y, and z

Which is a graph of a proportional relationship?

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?

Ineed to find the answer to number 2