The cirrcunferent of an ellipse ia approximated by c=2pisquare root where 2a and 2b are lengths of axes of the ellipse which equation is the result of solving the formula of the circumference for b?

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?