All quadrilaterals equal up to 360<span />
Answer:
90
Step-by-step explanation:
20 percent (calculated percentage %) of what number equals 18? Answer: 90.
If there is more to the answer than what I give please ask for more!
With

we can find

by substituting 4 into the main function.
So it would look like this:

Hope this helps!
Answer:
15 ft
Step-by-step explanation:
We can use the properties of similar triangles.
16/8 = 30/x
2 = 30/x Multiply each side by x
2x = 30 Divide each side by 2
x = 15 ft
The shadow is 15 ft long.
Check:
16/8 = 30/15
2 = 2
Well there is 1,750 yds in a mile so 200/5 is 40 yds per minute. Then 1,750/40 which is 43.75 min.
Give me a thanks if it helps