Find the sum.180 + 30 + 5 +  + . . .

A. - 36
B. 215
C. 216
D. Does not exist


Answer: C

Mathematics

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Find the median for the data given.Newspapers delivered each day: 25, 23, 225, 168, 274, 237, 234

A. 234 newspapers B. 168 newspapers C. 225 newspapers D. 169 newspapers

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Solve the problem.If f(?) = cos ? and f(a) = - , find the exact value of f(-a).

A. - 
B.
C.
D. - 

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Solve the system by substitution. If the system is inconsistent or has dependent equations, say so.5x + 3y = 80 2x + y = 30

A. {(0, 0)} B. {(10, 10)} C. {(0, 10)} D. {(10, 0)}

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