Answer:
<h3>
![23\sqrt[1]{2}](https://tex.z-dn.net/?f=23%5Csqrt%5B1%5D%7B2%7D)
</h3>
Step-by-step explanation:
Simplify.
2
it like trying to imagine re-folding back a cardboard box
List the factors:
21: 1, 3, 7, 21
40: 1, 2, 4, 5, 8, 10, 20, 40
They only have 1 in common.
So 1 is the greatest common factor.
Answer:
a triangle as 3 sides
Step-by-step explanation:
The 4's will cancel out, then we have to get rid of the sqrt(16) on the bottom
sqrt(15) / sqrt(16)
sqrt(16) = 4
final answer = sqrt(15) / 4.
the answer is C