Answer:
9
Step-by-step explanation:
21^2-19^2=80
sqaure root of 80 to the nearest 10th is
Answer: 63
Step-by-step explanation: 21+21+21
Answer:
yes
Step-by-step explanation:
that is correct unless your asking something else?
Arithmetic. The common difference is 6 and the blanks are -15 and -3.
Please thank this answer if I helped you!
<u><em>Answer:</em></u>2x²y³ + 3y which is the <u>third option</u>
<u><em>Explanation:</em></u><u>Before we begin, remember the following:</u>xᵃ * xᵇ = x⁺ᵇ
<u>The given expression is:</u>
<u>1- We can take 7x³y as a common factor from both terms in the numerator.</u>
<u>Following second rule mentioned above, this will give us:</u>

<u>2- Now, we can note that 7x³y can be cancelled from both the numerator and the denominator.</u>
<u>Doing this, we will end up with the following:</u>
2x²y³ + 3y
Hope this helps :)