The cost, in dollars, of producing x belts is given by upper c (x )equals 751 plus 12 x minus 0.067 x squared. find the rate at which average cost is changing when 256 belts have been produced.

Which of the following is a proper fraction? a. 9⁄8 b. 5⁄6 c. 7⁄3 d. 4⁄2

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%

Cuántos triángulos forman un diamante