he increase from 125cm to 135cm
first step :

second step :
percents he change is

7/36
Multiply the top together and then the bottom together and the final numbers on top and bottom is your answer.
That ordered pair is a solution to the equation system.
Answer: 2 per month
8 per four months
Step-by-step explanation:
(2,-1) The intersecting point is the point where the two lines meet.