Find a · b. |a| = 6, |b| = 7, the angle between a and b is 2π/3

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

April carriers 5 suitcases to car. each suitcases weighs 6 1/2 pounds. how many pounds does april carry in all

The 7th grade has collected $200 for a field trip that would cost $600. the teachers decided to ask $50 from additional students to cover the cost. how mny students must pay to cover the cost ? a 16studentsb 80studentsc 160studentsd 8students show work