Question

http://prntscr.com/2z24wf

help

Answer 1

first use the rule
\[\frac{ \sqrt{a} }{ \sqrt{b} }=\sqrt{\frac{ a }{ b }}\]

Answer 2

\(\bf \sqrt{9x^2}\div \sqrt{5x}\implies \cfrac{\sqrt{9x^2}}{\sqrt{5x}}\implies \sqrt{\cfrac{9x\cdot \cancel{x}}{5\cancel{x}}}\)

what do you think?

Answer 3

it would be D

Answer 4

what does that leave you with?