3 months, i just answered this same question lol.
The answer is b. Brent completed 3 more questions than alexa did
since this is a multiplication, all the numerators are just factors of the product numerator and all denominators are just factors of the product denominator, so we can simply reorder them some, without changing the product.

Answer:
-14w+12
Step-by-step explanation:
10 - 7w - 13 - 7w + 15
Combine like terms
- 7w - 7w + 10-13+15
-14w+12
Answer:
C
Step-by-step explanation:
you keep the base the same which is 7 . Then add the exponets (small numbers) then you will get 11. Therefore, you put the base 7 over 11.