Solve by simplifying the problem. there are 18 students in mr. alvarez’s art class. throughout the year, every student must pair up with every other student to complete a project. how many projects will be finished?

How many days was the temperature above 90 degrees?

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?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.