Solve the problem.Two cables anchor a navigation buoy in a river. The tensions in the cables are 
and 
Find the resultant force of the cables.
A. -40 + 100j
B. 20
C. -40j + 100
D. 100 + 100j
Answer: A
Mathematics
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Identify whether the equation is a linear equation in two variables. Answer "is" or "is not."9y = x
A. is B. is not
Mathematics
Simplify the expression.16-7/4
A. -8
B. 
C. -16,384
D. - 
Mathematics
Find the width in inches of 50-millimeter film. Round to the nearest cent.
A) 3.28 in. B) 1.97 in. C) 0.66 in. D) 1.31 in. E) 3.94 in.
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. - 
D. - 
Mathematics