If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.III, 
A. Positive
B. Negative
Answer: A
Mathematics
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Solve the problem.One rope pulls a barge directly east with a force of 40 N, and another rope pulls the barge directly north with a force of 82 N. Find the magnitude of the resultant force acting on the barge.
A. 3300 N B. 122 N C. 42 N D. 91 N
Mathematics
Determine whether the statement is true or false. Ted ? {Bob, Carol, Ted, Alice}
A. True B. False
Mathematics
Find the exact value of the expression in degrees without using a calculator or table.cos-1 
A. 45° B. 315° C. 330° D. 30°
Mathematics
Solve the system of equations by substitution, if a solution exists.
A. x = 1, y = 7 B. x = 0, y = 8 C. No solution D. x = -8, y = 0
Mathematics