If y varies directly as x, write a general formula to describe the variation.y = 0.4 when x = 3.2
A. y = x - 2.8
B. y = 8x
C. y = 0.125x
D. y = 0.4x
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Graph the function.y = csc (3x)
A. 
B. 
C. 
D. 
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Solve the problem.Island A is 150 miles from island B. A ship captain travels 250 miles from island A and then finds that he is off course and 160 miles from island B. What angle, in degrees, must he turn through to head straight for island B? Round the answer to two decimal places. (Hint: Be careful to properly identify which angle is the turning angle.)
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Mathematics