Can someone tell me whats 7/3 x 2/7?

Tickets to an orchestra concert cost $25.50 apiece plus a & 2.50 handling fee for each order. if jamal spent $79 how many ticket did he purchase

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

How do you determine whether a relationship represented as as graph is linear or nonlinear