Two data sets and their mean absolute deviations are shown. Study the plots of each data set and then answer the questions below.
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Which shows the pre image of triangle xyz

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)