The plate on the back nf a certain computer scanner says that the unit draws 0.34 A

Question:

The plate on the back nf a certain computer scanner says that the unit draws 0.34 A of current from a 120-V, 60-Hz line. Find
(a) The root-mean-square current,
(b) The current amplitude,
(c) the average current;
(d) the average square of the current.