The answer is A. Let me know if you need an explanation.
Divide each term by x and simplify.
(Ok so I don’t make it confusing the first part after “F=“ will be on top The I’ll put the bottom part below oh btw the top and bottom r negative so put the negative sign in front of the fraction)
F= - 21fx+x√x-2x-3(top of fraction)
F=-x^2(bottom of fraction)
Answer:
The amount in checking will always be twice in any week.
Step-by-step explanation:
Let's say,
represents the week,
represents the saving account and
represents the checking account.
Balance in saving account in any week 
Balance in checking account in any week 
Translate the statement into mathematical equation. Remember to use " = " for word "is" in the given statement.
We have to find
for
.
Putting the values, we have:


Which means in each week the amount in checking is twice the amount in savings.
Best Regards!
Answer:
11
Step-by-step explanation:
2(l+w)
40= 2(9+x)
40= 18+2x
Subtract 18 from 40
22=2x
Divide 2x by itself and 22
11=x or x=11