Answer: 170
Steps:
Range- the difference between the greatest and smallest value of a data set.
546 - 376 = 170
Answer:
After 3 seconds
Step-by-step explanation:
Given

Required
Seconds to attain maximum height
The maximum of a quadratic function
is calculated using:

So, we have:

Where:
and 
So:


Cancel out negatives


Answer:
thats the one i need help with to
Step-by-step explanation:
As a mixed fraction it is: 
As a regular fraction it is: