find the future value of the annuity due.
payments of $400 per quarter for 5 years at 8% compounded quarterly
what is the future value of the annuity due?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

X= 3y - 6 2x - 4y = 8 solve the system of equations using substitution. a) (-12,-2) b) (15,7) c) (21,9) d) (24,10)

Which situation is an example of an observational study?