Answer:
She needs to invest $13,636.36 right now
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:

In this question:
In 15 years, so 
She wants to have $30,000, so 
8% interest, so 
We have to find P.



Replacing:






She needs to invest $13,636.36 right now
Answer:
Step-by-step explanation:
so it's the total area , less the size (furniture) in the room
roomsize - furntiuresize
use the formula give for each above :)
X = 1/2 ( If the 2 is not an <span>exponent)
</span>x = -7/2 ± √61/2 ( if 2 is the exponent)
Hoped I helped.
Answer: integer
Step-by-step explanation:
This would be displayed as 11 - 5k
This cannot be solved, however, without knowing the value of k, or at least what the expression is equal to.