Katrina is asked to simplify the expression -3a-4b- 2(5a- 7b) She writes;-3a-4b-2(5a-7b) =-3a-4b- 10a+14b
Which property allows her to do this?

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You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x