Simplify the expression. –9z – 13z a. 4z b. 4 c. –22z d. 22z

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

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm