The answer to the question is y=<span><span><span>−<span>x2</span></span>+<span>10x</span></span>−<span>14</span></span>
Answer: 
Step-by-step explanation:
You must draw a right triangle as the one attached, where "x" is the lenght in feet of the ramp.
You need to use the following Trigonometric Identity:

In this case you can identify that:

Now you must substitute these values into
:

Finally, you must solve for "x" in order to find its value.
This is:

Answer:
40%
Step-by-step explanation:
Ok so my brain is sorta not working but it said "hey! 20 divided by 2 is 10!"
So I was like ight and divided 80 by 2 to to get 40%.
Hope this helps.
Answer:1.2
Step-by-step explanation:
It would be 24.6 ×24.6
it's 605.16