I have a samsung tab 2 10.1 and all of my apps stopped working. Can anybody help me?

Why is it a good idea to leave an interview being courteous and polite?

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

The total cost of textbooks for the term was collected from 36 students. create a histogram for this data. $140 $160 $160 $165 $180 $220 $235 $240 $250 $260 $280 $285 $285 $285 $290 $300 $300 $305 $310 $310 $315 $315 $320 $320 $330 $340 $345 $350 $355 $360 $360 $380 $395 $420 $460 $460