Abuilder has built 1/6 of the floors of a new skyscraper. if the builder has built 13 floors, how many floors will the skyscraper have when it is
finished? write and solve an equation to fine the answer.

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 result of adding the system of equations? 2x+y=4 3x-y=6

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years