The sum of two numbers is 28 and their
difference is 4. Find the numbers.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Ineed with number 6 , explain how to get 1978

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?