In an equation, y varies directly as x varies. If y = 72 when x = 12 what is the value of x when y = 48?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?