Answer:

Step-by-step explanation:

Taking square root both sides, we get

Therefore, the values of
are:

Answer:
<h2>P = 48</h2><h2>A = 144 </h2>
Step-by-step explanation:
The formula of regular polygon with <em>n</em> sides of length <em>b</em> and apothem <em>a</em>:

We have:
n = 6
b = 8
a = 6
Substitute:

The perimeter:

Last Question
Because this may not be the question you want, I'll omit the first step which should be done with latex. The key to all of these except C is to invert the second fraction (turn the second fraction upside down) and multiply.
A

=(6*-2) / (5*3) = - 12/15 = -4/5
B
= (7*5) / (4*3) = 35 / 12 = 2 11/12
C
Impossible to do 4/0 cannot be done.
D

= (-2*-4)/(3*5) =
8/15
Answer:
-4
Step-by-step explanation:
-22-(6)(-9)/3
my bad it shows explanation