Answer:
17 hours
Step-by-step explanation:
$136/8hr = $17 dollars an hour
$17/hr=$289/t
$17/hr t=$289
t=17 hours
The answer is <span>y=0.5x+3
</span><span>There are 3 inches of snow on the ground: y = 3
</span><span>When it begins to snow 0.5 inches per hour: y = 0.5x
</span>There are 3 inches of snow on the ground when it begins to snow 0.5 inches per hour: y = 0.5x + 3<span>
</span>

I'm not sure if you need to simplify
I think it should be 7x-35