The sum of 4 times a number and 7 more than the number is 80

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?

Evaluate the expression. (9 + 5)(3 + 2)0

Write the expression 7x^3-28xy^2 as the product of 3 factors