Answer: B. $3.15
Step-by-step explanation: Hi! So first things you want to add all the things he bought together and then subtract it from the $20. I’m sorry if this isn’t right.
1 sec=1/10 m
5 min=300 sec
thus, 1/10 *300
=30 m
He will walk 30m in 5 min
Answer: C) 14
Step-by-step explanation: 65 - 9 = 56. You would then do 56/4 and you get 14.
Hope this helped
6.804 kilograms = 15 Ib. I hope I'm right. I looked it up on google
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
