The general Formula for a decreasing Annuity is:

For this example we have:
P = 78,000
n = 7*4 = 28
i = 8%/4 = 2% = 0.02
After substituting you can find value for R, rent.
The vertex of f(x)=-x2+4x-8 is (2, -4)
Answer:
2
Step-by-step explanation:
(6*2)/3
Answer:
C
Step-by-step explanation:
hope this helps i think it's right
Answer:
c, Z
Step-by-step explanation:
x+y=4
<u>y+z=5</u>
y=4-x
4-x+z=5
<u>-</u><u>x</u><u>+</u><u>z</u><u>=</u><u>1</u>
z=1+x