What is 20 songs to 70 songs increase

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Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

What is the measure of angle tvu shown in the diagram below