There are 63 pairs of scissors in the classroom supply closet. The number of glue sticks in the supply closet is 72. David says that means the ratio of the number of pairs of scissors to the number of glue sticks is 7:9. Is David correct?

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

What is the distance between the points (2, 5) and (5,9)?