Answer:

Step-by-step explanation:
<u>Step 1: Distribute
</u>



Answer:

<u>If needed solve for b
</u>



Answer:
Step-by-step explanation:
the second one , why? because 7a-12a=-5a
4 - 8 = -4
If this is an exponent, it would be 4 x 4 x 4 x 4 x 4 in expanded form.
Answer:
50.272 in^2
Step-by-step explanation:
Step one:
Given data
Circles are described using the diameter parameter
Diameter of the circle is 8 inches
radius = 4 inche= d/2
Step two:
The area of the circle is
A= πr^2
A= 3.142*4^2
A=3.142*16
A=50.272 in^2
The answer is - 23/6 it should be