Answer:
Graph 1: Y is not a set number Graph 2: Y is 5
Step-by-step explanation:
The correct answer is 24
7, 9, 11
x+x+2+x+4=5(x+2)-18
3x+6=5x+10-18
3x+6=5x+-8
3x=5x+-14
-2x=-14
x=7
84
Lauren has read 4 books per month. So the answer would be 84.