Use the fundamental identities to find the value of the trigonometric function.Given that cos 
= - 
, find sin(-?).
A. - 
B. - 
C. 
D. 
Answer: C
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Use unit ratios or conversion factors to change to the units indicated. Round to the nearest tenth, if necessary.6.3 yd to meters
A. 5.7 m B. 248.0 m C. 160.0 m D. 48.0 m
Solve.The weight of a liquid is directly proportional to its volume V. If the weight of the liquid in a cubical container with side length 4 cm is 192 g, find the weight of the liquid in a cubical container 3 cm on a side.
A. 15 g B. 9 g C. 27 g D. 81 g
Given matrices A and B, find the indicated matrix if possible.A = 
, B = 
Find AB.
A. 
B. 
C. AB is not defined.
D. 
Solve the problem.The faculty at a college consists of 109 full-time teachers and 46 part-time teachers. Of the 109 full-time teachers, 56 are female. Of the 46 part-time teachers, 24 are female. Find the probability that a randomly selected teacher is male or works part-time.
A. 
B. 
C. 
D. 