Mysql prepare statement having two val where are ful filed by same variable

Java the manager of a football stadium wants you to write a program that calculates the total ticket sales after each game

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct

Which of the following characters is acceptable to use in a filename? ? / – %