It is 4000 that is the correct answer
Answer:

Step-by-step explanation:
Given data
Height of building= 30ft
We are told that after the ball landed it bounced 85% the height
let the new height be y
So the expression for the new height for x number of bounces is

Answer:
4 11/40 hope this helps :)
Step-by-step explanation:
Answer:
in the first box it is "addition property of equality" and in the second box it is "multiplication property of equality"
Keeping in mind that, there are 12 months in a year, therefore, 7 months is really just 7/12 of a year.