Hello :
<span>x²+2x+y²−4y+z²−8z=60
(x²+2x) + (y² - 4y) +(z² - 8z) = 60
(x²+2x+1) -1 +(y² - 4y +4 ) - 4 +( z² - 8z+16) -16 = 60
(x+1)² +(y-2)² +(z - 4)² = 9²
</span><span>the center is the point : A(-1, 2 , 4)
and radius : 9</span>
Answer:
4 . 4√4 is equal to this expression (256•64)^1/4 .
Use PEMDAS, the answer that I got is 19.
15 AND 2.
BECAUSE 15+15+2+2=34
and 15×2= 30
.P.S. PHANTOM SNIPERS
The scale factor of the dilation is

.
Notice how one unit of Q'P' can take up 3 units of QP.