Answer:
IT is not
Step-by-step explanation:
Let's replace. If it's a solution, it means that BOTH equations has to be true.

Now, the second equations seems good -
indeed.
First alas isn't. RHS is 142, which is totally not the same as -10.
3
10/100=x/30
Cross multiply
100x=300
Divide each side by 100
X=3
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>
Answer: no its is not true
Step-by-step explanation: because it does not show a pattern the pattern stops at 8,31 so this is not true