Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.cos 2C
A. 
B. 
C. - 
D. - 
Answer: D
Mathematics
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Simplify.(6x)(7x4)(x3)
A. 42x7 B. 13x7 C. 42x8 D. 14x8
Mathematics
List all equally likely outcomes in the sample space for the indicated experiment.Two people, each with a well shaken box containing 3 slips of paper labeled rock, paper, and scissors, draw one slip each.
A. {(r, p), (r, s), (p, r), (p, s), (s, r), (s, p)} B. {(r, p), (r, s), (p, s)} C. {(r, r), (r, p), (r, s), (p, r), (p, p), (p, s), (s, r), (s, p), (s, s)} D. {(3, 3)}
Mathematics
Simplify.
A. 128 B. 16 C. 17 D. Not a real number
Mathematics
Multiply the expressions.(x - 1)(x + 1)
A. x2 - 2x - 1 B. x2 - 1 C. x2 - 2 D. x2 + 2x - 1
Mathematics