Basically, what you need to do is subtract 275 from 425. When you do that, you get 150, so that was the change in her score. I hope this helps! :)
Answer:
A
Step-by-step explanation:
5/7 x 9/9 = 45/63
I'm assuming there's supposed to be a slash between the 45 and 63!
Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 3 inches, and the larger gear has a radius of 7 inches.
-35x = -105
divide -105 by -35 to get x by itself
x = 3
The answer is false because the real answer would be 3
8 multiplies to 16 but what do you mean about adds to one