Solve the system of equations.
2x-3y=21
-6x+2y=7
part 1: explain the steps you would take to solve the system by eliminating the x-terms.
part 2: explain the steps you would take to solve the system by eliminating the y-terms.
part 3: choose either of the methods described in parts 1 or 2 to solve the system of equations. write your answer as an ordered pair. show your work.
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Determine the quotient and remainder when (6a3)+11a2-4a-9) is divided by (3a-2) express your answer in the form q(a) + r(a)/d(a)

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

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%