[ Answer ]

[ Explanation ]
- Formula For Area Of Trapezoid:

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A = 10
B = 18
H = 6
- Plug Numbers Into Equation:

10 + 18 = 28
28 ÷ 2 = 14
14 · 6 = 84
84
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Answer:
11. screenshot attached
12.screenshot attached
13. C
14. B
15. D
16. A
Step-by-step explanation:
The answer would be 2.16.
This is because the two negatives would cancel each other out when multiplying. This would basically make the question

.
Now 3.3 is definitely not less than 2.4, so the answer would be 2.16
The question is asking you to find the axis of symmetry, which is the x-value of the vertex. In order to do that you need to factor the function to find the zeros and add the zeros together and divide by two to find the axis of symmetry.
y=-16x^2+608x
y=-16x(x-38)
Zeros: x=0 and x=38
38/2=19
Therefore it takes 19 seconds for the projectile to reach its maximum height.
Hope this helps!
The slope is the amount it will cost you per mile, in addition to the flat fee represented by the y-intercept. (The cost before driving any miles.)
So b. is the correct answer as;
$25 is the cost per day to rent the car and $0.15 is the cost per mile.