A= <span>π (n + 4) ^2
= </span><span>π (n + 4) (n + 4)
remember order of operations FOIL
= π (n^2 + 4n + 4n + 16)
= </span>π (n^2 + 8n + 16)
A= πn^2 + 8πn + 16<span>π
do the same for B just change the signs
B = </span>πn^2 - 8πn + 16<span>π
subtract the two
(</span>πn^2 + 8πn + 16π) - (πn^2 - 8πn + 16<span>π)
=16</span><span>πn</span>
Answer:
yes
Step-by-step explanation:
(5,1) is the function of the given equation
Add 35 to 140 and then subtract 80 equals $95
35 +140=170 -80
$95
Answer:
k = -7/9
Step-by-step explanation:
9k + 3 = -4
9k = -7
k = -7/9
On the number line just make a closed circle at -7/9. No line would be drawn, just the dot
-7/9 would be between 0 and -1, closer to -1