Algebra
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Sec. 9.1
Place each of the following sets in ascending order.
16. 3/7, - 6/7, 1/7, -1/2, 2/7
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Evaluate
32. [4] + [-3]
44. [-9]-[-4]
Sec. 9.2
Add.
40. 7+(-9) +(-5) +6
48. 1/3 + (-5/6) + (-1/2)
Evaluate each of the following expressions.
58. [-27 + 14]
Label each of the following statements as true or false
66. [-8] + [3] = [-8 + 3]
72. Business and finance. Jean deposited a check for $625, wrote two for $68.74 and
$29.95 and used her debit card to pay for a purchase of $57.65. How has her
account balance changed?
Sec 9.3
Subtract
44. -1/2 -(-5/8)
48. -3.4 -(7.6)
54. Statistics. The lowest temperature ever recorded in the state of Oregon was -54 F ( in Seneca, on February 10, 1933. The State's record high temperature occurred in Pendleton on August 10,1898, when it reached 119 F, What is the historical temperature range in the State of Oregon?
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