Answer:
2.7 seconds
Step-by-step explanation:
We are asked to find how many seconds it takes for an object to fall from a height of 120ft. We will use the given formula, t=h−−√4. Substituting h=120, we find
t=120−−−√4=2.7
So, the pebble reaches the ocean after 2.7 seconds.
1987.2
the correct answer is B. 135 cu. units
Answer: 588
Step-by-step explanation: 420 + 40% = 588
$
divided by
We round to nearest cent.