Step-by-step explanation:
To find the slope, calculate rise and run. The formula is as follows...

Step-by-step explanation:
use the identity a²-b²=(a-b)(a+b)
x²-4=(x-2)(x+2)
so the answer is x-2
Answer:
i d k
Step-by-step explanation:
we cant see your figure so
Answer:
148 i think i’m not sure
Step-by-step explanation:
Multiply 
A 170 pound astronaut would weigh 68 pounds on mars.
Hope this helps :)