By R. David Gustafson, Peter D. Frisk

Get the grade you will have in algebra with Gustafson and Frisk's starting AND INTERMEDIATE ALGEBRA! Written with you in brain, the authors supply transparent, no-nonsense causes to help you study tough recommendations conveniently. arrange for tests with a variety of assets positioned on-line and during the textual content equivalent to on-line tutoring, bankruptcy Summaries, Self-Checks, preparing workouts, and Vocabulary and idea difficulties. Use this article, and you can examine strong mathematical abilities that can assist you either in destiny mathematical classes and in genuine existence!

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857 Use a calculator to perform each operation. Round each of the answers to two decimal places. 93. 2543 94. 765 95. 568245 96. 3316 97. 179 98. 46473 99. 5694323 100. 465748 APPLICATIONS 101. Spring plowing A farmer has plowed 1213 acres of a 4312-acre field. How much more needs to be plowed? 102. Perimeter of a garden The four sides of a garden measure 723 feet, 1514 feet, 1912 feet and 1034 feet. Find the length of the fence needed to enclose the garden. 103. Making clothes A designer needs 314 yards of material for each dress he makes.

48. 50. Insert parentheses in the expression 3 ؒ 8 ϩ 5 ؒ 3 to make its value equal to the given number. 87. 39 89. 87 88. 117 90. 69 Find the perimeter of each figure. 3 4(2 ) (2 ؒ 2)4 3(23) (2 ؒ 3)2 4 in. 91. 4 in. 4 in. 4 in. Simplify each expression. 51. 53. 55. 57. 59. 61. 63. 65. 67. 69. 70. 3ؒ5Ϫ4 3(5 Ϫ 4) 3 ϩ 52 (3 ϩ 5)2 2ϩ3ؒ5Ϫ4 64 Ϭ (3 ϩ 1) (7 ϩ 9) Ϭ (2 ؒ 4) (5 ϩ 7) Ϭ 3 ؒ 4 24 Ϭ 4 ؒ 3 ϩ 3 32 ϩ 2(1 ϩ 4) Ϫ 2 4 ؒ 3 ϩ 2(5 Ϫ 2) Ϫ 23 92. 52. 54. 56. 58. 60. 62. 64. 66. 68. 6ϩ4ؒ3 4(6 ϩ 5) 42 Ϫ 22 (5 Ϫ 2)3 12 ϩ 2 ؒ 3 ϩ 2 16 Ϭ (5 ϩ 3) (7 ϩ 9) Ϭ 2 ؒ 4 (5 ϩ 7) Ϭ (3 ؒ 4) 36 Ϭ 9 ؒ 4 Ϫ 2 10 cm 3 cm 3 cm 10 cm 93.

Integers 20. Rational numbers 21. Real numbers 22. Irrational numbers 23. Odd integers 24. Even integers 25. Composite numbers 26. Prime numbers Simplify each expression. Then classify the result as a natural number, an even integer, an odd integer, a prime number, a composite number, and/or a whole number. 27. 4 ϩ 5 28. 7 Ϫ 2 29. 15 Ϫ 15 30. 0 ϩ 7 31. 3 ؒ 8 32. 8 ؒ 9 33. 24 Ϭ 8 34. 3 Ϭ 3 Place one of the symbols ϭ, Ͻ, or Ͼ in each box to make a true statement. 35. 37. 39. 41. 43. 5 3ϩ2 25 32 5ϩ7 10 3ϩ9 20 Ϫ 8 4ؒ2 2ؒ4 36.