Answer: Option D

Step-by-step explanation:
Note that the projectile height as a function of time is given by the quadratic equation

To find the maximum height of the projectile we must find the maximum value of the quadratic function.
By definition the maximum value of a quadratic equation of the form
is located on the vertex of the parabola:

Where 
In this case the equation is: 
Then

So:


Answer:
12
Step-by-step explanation:
30% is 0.3, 40 x 0.3 . is 12 :DD
The answer is $57.75.
Step by Step:
Take the amount of movies ( x ) multiplied by the cost of each ( $1.99 ) and add the fee. ( $8 )
It is equivalent too 5.3 and 5.30
The correct answer is:
D. 20.4 cm - 16.8 cm (attached)
The triangular prism is similar to the described prism.
