Would a interactive book be considered a game?

Which two technologies support the building of single-page applications?

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

Jenny needs to record the names of 30 students, write down the subjects they studied, and note their grades in each subject after the midsemester exams and the end-of-semester exams. she divides the midsemester and end-of-semester information into two separate worksheets, sheet 1 and sheet 2. how will she rename the two worksheets?