Answer:16 and 18
Step-by-step explanation:
16x16=256
18x18=324
256+324=580
It can be separated into 10 * 3 * 6 and 4 * 3 * 6
the answer would be B<span />
Answer:

Step-by-step explanation:
![\sf = -4\\\\We \ know \ that\ i^2 = -1 \\\\= 4 (-1)\\\\= 4i^2\\\\\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Csf%20%3D%20-4%5C%5C%5C%5CWe%20%5C%20know%20%5C%20that%5C%20i%5E2%20%3D%20-1%20%5C%5C%5C%5C%3D%204%20%28-1%29%5C%5C%5C%5C%3D%204i%5E2%5C%5C%5C%5C%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>~AH1807</h3>
The answer is C because it's two negatives. Hope that helped