Given that string[] str has been initialized, to get a copy of str[0] with all characters converted to upper case, use the following statement:
a. str[0].touppercase();
b. str. touppercase();
c. str[0].uppercase();
d. str. uppercase();

Sam is a data analyst at an advertising firm. he often uses a spreadsheet that contains media ratings details. he would like to filter the spreadsheet data based on different filter criteria. which operators can he use to specify the combination of filter criteria? sam can use the ( blank ) operators to specify a combination of filter criteria.

Singing in the rain: this first part of the film shows the early history of motion picture. how accurate do you think the portrayal of the early motion picture industry is? why? is historical accuracy important in films and theater productions? explain.

Which excel file extension stores automated steps for repetitive tasks?