The mean will be 5 points higher...so...c would be the answer!
Answer:
The answer is 1/9 and 1/2
X=his fortune
15/16X=7500
X=7500 x 16/15
X=8000

The aircraft is 29238 ft from the ship
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Note: this is based on my assumption that we are looking for the hypotenuse.
If we are looking for the adjacent side, then the answer would be 27475 ft.
Answer:
min f(x) = 3.95 (for x= 2.5)
Step-by-step explanation:
vertex (x) = 1/0,4 = 2,5
vertex (y) = 0.2(2.5)^2-2.5+5.2 = 3.95