Answer:
The answer is the third choice 3
Step-by-step explanation:
First you undo by doing the opposite 31 - 7 = 24 now we undo the 8 by undoing 24 divided by 8 is 3
Well hello again :3. This is also quite simple. The diameter of a circle is 2 times the radius. So we can refit this into the equation and say that our new formula using diameter is

. Now we can say that 10/2 is 5 and

is 25. Therefore your answer is

or 78.54.
There aren't any "following" equations, but I can give you one nonetheless.
y = 91 + 5x
This is because 91 is the minimum and y-intercept, x is each individual box, and the 5 is $5 per box.
Hope this helps!
Answer: 26.9%
Step-by-step explanation:
9.9-7.8=2.1
(2.1/ 7.8) •100=26.9
It would be 4,-25 becuase of in the first place i in and the other imp in cams was the