X^2 = 73 - y^2
<span>x^2 - y^2 = 55 </span>
<span>substituting in to it </span>
<span>73 - 55 = 2y^2 </span>
<span>18 = 2y^2 </span>
<span>y = 3 </span>
<span>x^2 - 73 - 9 </span>
<span>x = 8 </span>
<span>answer is A</span>
<span>the volume of a cylinder is 80pi cubic inches; if the radius is 4 in. find the height</span>
Answer:
Step-by-step explanation:
i think it is b
I also need this too pleaseee huryy