CAN SOMEONE ADD ME AS A FRIEND SO I CAN USE FRIEND SEARCH BAR PL

What is the radical expression that is equivalent to the expression 27 1 over 5?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.