Answer:

Step-by-step explanation:
Let's assume
initial velocity =vi
final velocity=vf
initial height =hi
final height =hf
acceleration due to gravity =g
we can use formula

we are given




now, we can plug values

now, we can solve for vf

we get

Answer:
x ≤ 13
Explanation:
The dot is filled in which means it is equal to 13, and since the arrow is pointing towards the numbers less than 13, x is less than or equal to 13.
Since she spent $9.72 and deposited $9.72 her bank balance did not change at all. She basically paid off how much she spent on lunch on Wednesday.
I am not sure, but I think you are talking about the least square method