Which of the following is equivalent of `((ab)/(c))(cb-a)`?

Which of the following is equivalent to 9^(3/4)

Which of the following is equivalent to (a+b/2)^2 ?

For all values of a, b, c, and d which of the following is equivalent to ((ad)/(bc))/((ac)/(bd))?

Which of the following is equivalent to 8^(1/4) ?

Which of the following is equivalent to madness?

Which of the following is equivalent to (f^(2))/(g)+f ?

If a and b positive real numbers, which of the following is equivalent to ((2a^(-1)sqrt(b))^(4))/(ab^(-3)) ?