Answer:
2a^2b^4
Step-by-step explanation:
if she has 9, add 7. you have 16. divide it by half, 8. subtract 3 and you get 5.
The answer is D because you have to divide 812 by 25.3
A²-b²=(a-b)(a+b)
4x² - 25= (2x)²- 5² =(2x-5)(2x+5)
You do not have this choice, so the answer is D.None of the above.
Answer:

Step-by-step explanation:
we know that the circumference is equal to

we have

substitute

