Which is cube number​

What statement is true? 2x^2-9x+2=-1

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?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?