Solve.2x - 3y + 5z = 3 - y + 4z = 3 z = 2
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Give the degree measure of ?.? = arcsin 
A. 30° B. 315° C. -30° D. 300°
Mathematics
Solve the problem.Find the work done by a force of 9 pounds acting in the direction of 38° to the horizontal in moving an object 10 feet from (0, 0) to (10, 0).
A. 75.5 ft-lb B. 55.4 ft-lb C. 141.8 ft-lb D. 70.9 ft-lb
Mathematics
Use the properties of real numbers to simplify the expression.
(-0.46)
A. 
B. -1
C. 1
D. -0.46
Mathematics
Use the given information to find the exact value of the expression.sin ? = - 
, ? lies in quadrant IV, and cos ? = - 
, ? lies in quadrant III
Find sin (? - ?).
A. 
B. 
C. 
D. 
Mathematics