8 + 19 = 5 + 42 + 8

a. true c. false, 8 + 19 = 5 + 42 + 6

b. false, 8 + 19 > 5 + 42 + 8 d. false, 8 + 19 < 5 + 42 + 8

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This technological hand-held device can be used to graph functions, perform statistical analysis, and operate with matrices. These are just some of its capabilities

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120 miles in 3 hours = ? unit rate