6 units. have a great day!!!!
Answer:
6
Step-by-step explanation:
8 - 2 (Or you can graph and see)
Solution
The 1st term = -3
15th term = 53
15th term = a + d(n-1)
53 = -3 + d(15- 1) [Here n = 15)
53 + 3 = d(14)
14d = 56
d = 4
The common difference is 4.
