First one is 12^2
second one is 1
Answer:



Step-by-step explanation:
The given equation is

If we isolate
, we can find the constant

So, the constant is
.
Another proportions that have the same constant as the given equation are



Answer:
He traveled 612 miles in total.
Step-by-step explanation:
You simply multiply the mph he was going to how long he traveled for. This gives us 72x8.5 equaling 612.
1 hour = 60 minutes
15 minutes = (60/15) = 1/4th of an hour
1/4 = 0,25
<span>15 minutes is 25% of an hour</span>
The answer would be 105, it's square root is approximately 10.2469 <span />