Answer:
The initial height of the balloon is 2 feet.
Step-by-step explanation:
The height of the balloon in feet after t seconds is given by the following equation:

What is the initial height of the balloon?
This is h when t = 0, that is, h(0). So

The initial height of the balloon is 2 feet.
Answer: 
Step-by-step explanation:
Given
The tower is at a height of 
the angle of depression is 
Suppose the surfer is x ft away from the base of the tower

Therefore, the surfer is at a distance of 19.31 ft from the base of the tower.
Answer:
13
Step-by-step explanation:
(3 times 2)+7=x
6+7=x
x=13
I hope this helps you
6. (-7).a^2+4.b^1+7
-42.a^6.b^8
Answer: $157.50
Step-by-step explanation:
$5250÷100=$52.50
52.50×3=$157.50