Answer:
c
Step-by-step explanation:
I'm not good with math, sorry
7v3 is the radical simplified... to do this you can use multiple methods. I like to use a factor tree.
Here’s a link to a website that explains some different methods of solving:
http://m.moomoomath.com/?url=http://www%2emoomoomath%2ecom%2fsimplyfing%2dradicals%2ehtml#2653
Yes, because there’s an exponent to the power of 2 therefore it will from a u shape
