Height (in feet) 100
60
40
20
time (in seconds)
1. How long is the ball in the air?
2. What is the maximum height of the ball?
3. From what height does the ball start?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.