Need

jasmine unfolded a cardboard box. the figure of the unfolded box is shown below:

which expression can be used to calculate the area of cardboard, in square inches, that was used to make the box?

a.2 x 6 x 6
b.6 x 1 x 1
c.6 x 2 x 2
d.1 x 6 x 6

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

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