12+x-2+x+3x what is it simplified

Solve the inequality. write the inequality in interval notation. 9(t-2)> 3(t-7)

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

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