The ball will hit the ground at 2 seconds. 
Step-by-step explanation:
Given that, 
The path of the ball = h(x)=−2x2+1x+6
Here, 
x is the time while h is the height of ball.
When the ball will hit the ground, the height will become zero. Therefore,
h(x)=−2x2+1x+6
0 =−2x2+1x+6
or 
2x2 -1x - 6 = 0 
This is a quadratic equation, hence by applying quadratic equation formula:

here, 
a = 2
b = -1
c = -6
Putting these values in formula, we get 




x = 2, -3/2
As the time cannot be negative. Therefore, the ball will hit the ground at 2 seconds. 
 
        
                    
             
        
        
        
In order to be parallel to your line, a line has to have the same slope as your line. So it has to have slope −4
−
4
.
Thus any line parallel to the line =−4+5
y
=
−
4
x
+
5
has an equation of the form =−4+
y
=
−
4
x
+
b
, where 
b
 is any number.
        
             
        
        
        
The Maximum profit occurs when 20,000 reserved seats are sold and the profit is $1,300,000
 
        
             
        
        
        
Answer:
12 x 10 = 120
120 divided by 2 = 60
Formula of a triangle:
B(base) x H(height) x 1/2(basically dividing by 2)
 
        
             
        
        
        
Answer:
1
Step-by-step explanation: