Three friends went to the movies. They shared 4/5 of a candy bar. If they share the bar equally how much of the candy bar will each person get?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.