Answer:
A
Step-by-step explanation:
x=7
Answer: I saw on another post on here with the same question that someone said it was
B. The sum of the volumes of X and Z equals the volume of Y.




Use the identity:
and solve for
. You get: 
Do the substitution on the left side to get:

ANSWER:
the y- intercept would be 0
<span>The radius of the circle is __17___ units.
(Enter a whole number, not decimals)
The point, (-15, _-16_ ) lies on it's circle. </span>