Please help me i will appreciate it

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

How do i do this? i don’t understand

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?