Hello,
The answer is C, refer to this picture for an explanation.
Have a great day!!
Brainliest??
Answer:
Time to land on 11ft is 4.25 seconds
Step-by-step explanation:
Given

Required
Solve for t when height is 11ft
This implies that 
So: substitute 11 for y in 

Collect Like Terms


Express both sides as squares


Take square roots of both sides (ignore negative)

Solve for t


Hence, time to land on 11ft is 4.25 seconds
Well, after doing all that math, here is what I came up with, I hope this helps! :) -1600x^2+28265x-21830
Answer:
The mass is greater by 10.502 grams. If you subtract 27.33 from 16.718, you get 10.502. Therefore, the mass of the second coin is greater than the first coin by 10.502 grams.
Answer: welpies
Step-by-step explanation:
I need points so no help.