Answer:
Step-by-step explanation:
Answer: The last one
M= Slope
B=Y-intercept
Hope this helps!!
A. The mean is increased by 3
2 + 9 + 11 + 10 + 3 + 5 + 4 + 12 = 56/8 = 7
2 + 9 + 11 + 10 + 3 + 5 + 4 + 12 + 34 = 90/9 = 10
10 - 7 = 3