Answer:
The interest rate is 19.5%.
Step-by-step explanation:
Given : Invest $12000 and make $2880 after 8 years.
To find : At what rate would you need to invest?
Solution :
Applying interest formula,

Where,
A is the amount A=$12000
P is the principal P=$2880
t is the time t=8 years
r is the interest rate
Substitute the value in the formula,







In percentage, 

Therefore, The interest rate is 19.5%.
Answer:
The camera would cost $436.63.
Step-by-step explanation:
There are two ways to do this. You can either use a formula or you can use a calculator. They both bring you to the same answer! :)
G(f(1))
Plug 1 into the f function.
f(1) = 2(1) + 6
f(1) = 8
Now evaluate g(8)
g(8) = 8^2 + 6
g(8) = 70
Answer:
Sure here's your answer :
5xy+2xy-x²t+3x²t
=7xy+2x²t
___
have a good day ahead !