Answer:
Step-by-step explanation:
81 = 9 * 9 = 3 * 3 * 3 *3
8 = 2 * 2 * 2 *2

Answer:
Step-by-step explanation:
I would say the answer is 6
6 + 6 than times by two is 24
Subtract the two numbers to find the measurement of the leftover piece
5.6 - 1.71 = 3.89 feet
Answer:
8
Step-by-step explanation:
<h2>1)</h2>

This must be true for some value of x, since we have a quantity squared yielding a positive number, and since the equation is of second degree,there must exist 2 real roots.

<h2>2)</h2>
Well he started off correct to the point of completing the square.
