<h3><u>Answer</u>:- </h3>

<h3><u>Solution:-</u></h3>
Since painting is done on outer surface of cubical block we will have to find its surface area which is given by-

- <u>where a is side of the cube </u>



Now,



Thus it would cost $ 307.2 to paint the entire cubical block.
Answer: There are 33 girls in the class
Step-by-step explanation:
X=2
you multiply by 8 on both sides. so that your equation now looks like x-2=0
then you will add by 2 on both sides.
x=2
16 is the greatest common denominator
432 million, 540 times .20 equals 108, subtract 108 from 540 and you get your answer