I will delete your answer if u give me a dum one. Any one need a 13 r old boy. friend? I skateboard and play baseball

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements

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