Answer:
iit's the middle of numbers to find the median place the number in value order
Use a coordinate plane chart to help you
Time 2 22 34 and 9 even tho its highly corrected
In order for two lines to be perpendicular, their gradients must multiply together to get -1
7*b=-1
7b=-1
Divide both sides by 7
So, the gradient of line b is -1/7