Add.-19 + (-22)

A. -3
B. 41
C. 3
D. -41

Answer: D

Mathematics

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A.  + C
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Find a general term an for the geometric sequence.8, - 4, 2, - 1, . . .

A. an = 6  n-1
B. an = 8  n-1
C. an =   n-1
D. an = 8  n-1

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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = -, cos ? > 0Find cos .

A.  
B. - 
C.  
D. - 

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Solve.Katie and some of her friends took part in a marathon race last year and in another one this year. The table shows the times for each person in the two races. Times in Marathon RacesWhich runners did better this year than last?

A. Joan, Sandi, Isabelle, Maura B. Katie, Sonoko, Suzanne C. Joan, Sandi, Suzanne D. Joan, Sandi, Isabelle

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