Find the reference angle for ?. ? = -287°
A. -17°
B. 107°
C. 73°
D. 287°
Answer: C
Mathematics
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Plot the point whose polar coordinates are given.
A. 
B. 
C. 
D. 
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Use the FOIL method to find the product. Express the product in descending powers of the variable.(7 + 5x)(2 + 3x)
A. 8x2 + 31x + 14 B. 15x2 + 31x + 31 C. 15x2 + 31x + 14 D. 8x2 + 31x + 31
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Solve the problem. Where appropriate, round to the nearest tenth of a percent.The price of a printer was reduced from $400 to $160. What was the percent decrease?
A. 40% B. 65% C. 60% D. 150%
Mathematics
Evaluate the definite integral. Express the answer in terms of natural logarithms.
A. 
ln
B. -ln
C. - 
ln
D. 
ln
Mathematics