Answer:
y2- y1 over
x2 -x2


Step-by-step explanation:
slope is m =

use the -3 for b and you get

slope intercept form
Answer: true
Step-by-step explanation:
They're equivalent expressions
Sydney’s age is 50.
Devaughn age: x-15 Sydney’s age: x
x-15+x = 85
2x-15 = 85
2x = 100
x = 50