<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>
Answer:
they are not parallel
Step-by-step explanation:
they intersect eachother
After 4 years, the account gains $325.8, so 4 years
Answer:
p (6, -4)-------------->p'(6,4)