What's 12 times 12 lol jk who want some to be friends please friend me n text me

Which of the following expressions is equal to 2x^2+8

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?