Please Help (Picture Attached) I will appreciate it soo much

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?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be