20 and that should be correct, if you need an explanation just ask
Answer:
a) 
b) The balance after 8 years will be of $29,069.
Step-by-step explanation:
Compound interest:
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 year and t is the time in years for which the money is invested or borrowed.
a)
Loan of $17,500 means that 
6.4% interest rate means that 
Compounded monthly means that
. So



b)
This is A(8). Then

The balance after 8 years will be of $29,069.
Answer:
Ok I'm assuming that know what??
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
21-n; n=3
Substitute n for 3:
Solve.
Answer:
x = 128
Step-by-step explanation:
ill name the empty angle y for clarification
y + 38 + 90 = 180
y + 128 = 180
y = 52
180 - y = x
180 - 52 = x
x = 128