Answer:
for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²

(-5+8*i)+(-9+5*i) evaluates to <span>-14+13i</span>
Answer:
(
−
7.00006693
,
−
0.00006693
) (
0.68099975
,
7.68099975
)
Step-by-step explanation:
Answer:
Maureen earned $123.19 doing odd jobs
Step-by-step explanation:
The compound interest formula is given by:

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.
In this question:
Compounded quarterly means that 
10 years, so 
9% interest, so 
There is $300.00 in the account, which means that 
How much did Maureen earn doing odd jobs?
This is P.





Maureen earned $123.19 doing odd jobs
If you have 2 apples and your friend gives you 3 apples every day. X is a day