Answer:
this is a required equation.
Answer:
zero
Step-by-step explanation:
slope = y2-y1 / x2-x1
Answer:
21
Step-by-step explanation:
The pattern is going up by 3s
Answer:
The answer is 3
Step-by-step explanation:
7 - 4 = 3
So, 3+4=7
Answer:

Step-by-step explanation:
This is how you find it
1) Substitute the p into the equation to get 7(-7)-7=-56. Then you get -49-7=-56. This is true
Hope this helps! :)