Cho biểu thức P = (x^{2} -2x+4)(x+2)-x^{3} + (x+3)(x-3)-x^{3} -18 CHỨNG MINH GIÁ TRỊ CỦA BIỂU THỨC P KHÔNG PHỤ THUỘC VÀO X Ạ

Nine more than four times a number is the same as one less than twice the number. find the number?

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%

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?