Answer:
There are 9 arms.
Step-by-step explanation:
The answer for this question is D because you have 2 full squares and then one half of square so 2 1/2.
X=3 and x=-9 solve by factoring
To raise 4x/y to a power, raise the numerator and denominator to the power, and then divide.
Expand (4x)².
Calculates 4 to the power of 2 and gets 16.