simplify; sqrt (6) / 11
a) 6 sqrt (11) /11
b) 6
c) 6 sqrt (11)
d) sqrt (66) / 11
As the expression is written, none of the responses is correct.
Whenever an expression contains a division (or a fraction), parentheses must be added to delimit the numerator and the denominator. They shown visually in a properly typeset text, but not when transcribed to a single line.