The line of best fit for a set of data is y = 0.25 + 12 . the point ( 4 , 15 ) is a point in the data set . what is the residual value when x = 4 ? a. -3
b. -2
c. 2
d. 3

In the 30-60-90 triangle below side s has a length of and side r has a length

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%

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3