Christine made $143 for 11 hours of work. At the same rate, how many hours would she have to work to make $221?

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?