1.The length of the rectangle is 2x + y cm and its width is 2x - y cm find its area 2.If the price of the book is 2x + 3y pesos, how much will 2x -3y books cost?
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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%

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2