Sam has started jogging. The graph shows which mile he finished at the end of each hour. What does the rate of change tell us?

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

What is the 12th term of b(n)=-4-2(n-1)