<u>Answer:</u>
- The solution of the equation is (-1,-2)
<u>Step-by-step explanation:</u>
-6x + 6y = -6
-6x + 6y = -6
-6x + 6y = -6
Hence, the solution of the equation is (-1,-2)
Hoped this helped.

Answer:what we observe is that the square of the number follows a pattern: 2 1's gives 121. 3 1's gives 12321. so to get 12345678987654321 we need to get square of 9 1's(111,111,111).
Well the best estimate for Earth mass is M⊕ = (5.9722±0.0006)×1024 kg.
I hope this helps you out :)
I pretty sure that the answer it R.5