Cumulative Review Exercises 209 18. The area of a triangle is 41 cm2. Find the height of the triangle if the base is 12 cm. h 12 cm 51p 32 2p 315 p2 12. All real numbers 13. 14. 15. x 3 5 2 9 x 1 3 x 2 2 x 2 1 9 0.6w 48 80 4 7 8 16. The sum of two consecutive odd integers is 156. Find the integers. The numbers are 77 and 79. 17. The cost of an iPod speaker dock (including sales tax) is $374.50. If the tax rate is 7%, find the cost of the speaker dock before tax. 41 6 The height is cm or cm. 656 For Exercises 19 and 20, solve the inequality. Graph the solution set on a number line and express the solution in set-builder notation and interval notation. 19. 20. ) 3x 31x 12 6 9 1 9 6 2x 4 14 2 The cost before tax was $350.00. ; 5x 0x 7 26 (2, ) 5x 0 1 x 96; 1, 9 Writing Translating Expression Geometry Scientific Calculator Video
miller_introductory_algebra_3e_ch1_3
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