Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 0.4
B. x = 6.88
C. x = 5.6
D. x = 31.5
Answer: D
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A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.d = rt; t = 8, r = 2
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Point P is on the terminal side of ?. Evaluate the six trigonometric functions for ?. If the function is undefined, write "undefined."P(-6, 5); find sin ?.
A. 
B. - 
C. 
D. 