Step-by-step explanation:
Let's look at what we know. We know that...
P=2000
r=0.04 (Change 4% to a decimal)
t=7 (25 years minus 18 years equals 7)
n=1
Since we are compounding each year, we need to use this equation: 
Now just plug the numbers in: (Answer to #1:) 
This equals 2631.86
When we round, this equals to $2,632. (Answer to #2).
Answer:
420 in³
Step-by-step explanation:
14 x 10 x 3 = 420
18a+9 is the equivalent expression.
2x+4 + 10 = 3x + 1
2x - 3x = 1 - 13
-x = -13
x = 13
AC = 2(13) + 4 + 10 = 26 + 14 = 40
answer
<span>a. 40</span>
Answer: W(x + 4) = x + 8
<u>Step-by-step explanation:</u>
I am assuming the "t" is supposed to be an addition sign "+"
w(x + 4) means to replace all of the x's in the given function with x + 4
W(x) = x + 4
W(x + 4) = (x + 4) + 4
= x + 8
