Find the exact value of the expression.sin 195° cos 75° - cos 195° sin 75°
A. - 
B. - 
C. - 
D. 
Answer: D
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Solve the problem.In one game, a baseball pitcher throws 50% of his pitches for strikes. If the pitcher throws 40 strikes in the game, then how many pitches did he throw?
A. 80 B. 160 C. 40 D. 64
Find the probability of the event if a single choice is made from a bag.A bag contains 17 balls numbered 1 through 17. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 
B. 
C. 8
D. 
Find the sum or difference.-(2x3 + x - 8) + (4x3 + 2x2) - (9x2 - 3x -1)
A. 2x3 + 7x2 + 4x - 9 B. 2x3 - 7x2 + 2x + 9 C. 1x3 - 5x2 - 2x + 9 D. 6x3 - 11x2 + 2x - 9
Find the distance between the pair of points. Give an exact answer, and where appropriate, an approximation to three decimal places.
and 
A. 
B. 
C. 
D. 