18 minutes
3/10=18/60
60 represents the hour
18 represents time spent warming up and cooling down.
Answer:
2nd
Step-by-step explanation:
<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:
i got u he was eaten by a bear.
Step-by-step explanation: