Please help me, please

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?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?