<span>5x - y = 15 (1)
-10x+2y=-30 (2)
multiply (1) by 2
10x - 2y = 30
</span>-10x + 2y = -30 (2)
<span>---------------------------add
0 = 0
answer
</span><span>infinitely many solutions</span><span>
</span>
4.85 is the answer because if you subtract 51.2 from 56.05 you get your answer
Answer:
9
Step-by-step explanation:
negative times a negative is a positive. Negative three squared is 9.
