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
Answer:d
Step-by-step explanation:
6 because the small triangle is a dilation of 3
Answer:
see explanation
Step-by-step explanation:
note that
=
× 3 ( when multiplying exponents are added )
Given
← factor out
on numerator
= 
= 
= 1