You want the (positive) distance when the height is 0, 0= -d^2 + 10d +5.
You would factor that out(You'd get radicals), and the final answer would be
<span>5±<span>30<span>−−</span>√</span></span><span>
You'd take the only positive one of the two, 5 + srt(30)
I hope I did that right :/</span>
Answer:
B
Step-by-step explanation:
Multiply each term by -10
72 hours is exactly 3 days...
Micah will need to buy 7 packages.
13 x 3 = 39
39 + 17 = 56
56 / 8 = 7
Hope this helps :)
