Answer:
4 seconds
Step-by-step explanation:
Given : 
To Find: How many seconds does it take for the golf ball to hit the ground?
Solution :
Since we are given an equation : 
Where H denotes height
t denotes the number of seconds elapsed since the ball was hit.
When he golf ball to hit the ground at that time the height becomes 0
So, put H = 0 in the equation






Thus it take 4 seconds for the golf ball to hit the ground
You first have to set up the two equations. Y is equal to the total number of gallons in a tank and x is equal to the number of hours the tanks are filling.
Since the two equations both equal y I can make them equal each other. I then solved for x as you see and got -4.
Once I found my x value I now needed to find my y. You only needed to chose one equation to solve for y, so I decided to do the first one. I plugged in -4 where my x value currently was and solved for y. I got 2.
If you have any questions please comment!! Hope this helps!!
Answer:
888888
Step-by-step explanation:
88888888888888888888
Answer: Company b
Step-by-step explanation:
because company B is only 5percent it is better and can pay in 8 years