Answer:
where 
is the number of laptops, and 
is the year.
in 2017: 
Step-by-step explanation:
I will define the variable 
as the number of years that passed since 2007.
Since the school buys 20 lapts each year, after a number of years, the school will have
more laptops.
and thus, since the school starts with 31 laptops, the equation to model this situation is
where is the number of laptops.
since x is the number of years that have passed since 2007, it can be represented like this:
where can be any year, so the equation to model the situation using the year:
and this way we can find the number of laptos at the end of 2017:
and
I Believe it would be 53 because it’s asking what is the difference and they difference would have to be 53 your going from a negative to a positive
Answer:
0 would represent the amount of money carlene can spend from her checking account since she has a negative amount of money she owes to the bank.
well, we can say that 1 hour is 100%, what is 2/5 hr off of it in percentage?
Answer:
http://www.rosenmath.com/geom/11.2.pdf
Step-by-step explanation:
Answers are all there, good luck lol
