Number 4. will be a. because if you do 7*9=63*10=630.
Answer:

Step-by-step explanation:
The slope of a line given two points can be found by using the formula

From the question we have

We have the final answer as

Hope this helps you
Answer:
7)141
8)65
Step-by-step explanation:
8 edges
4 at the top and 4 at the bottom
Answer:
Sorry can't see on school computer :(
Step-by-step explanation: