Use a double-angle identity to find the exact value of the expression.1 - 2 sin2 
A. - 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Plot the number in the complex plane.3 + 4i
A. 
B. 
C. 
D. 
Mathematics
Solve using Cramer's rule.
A. (0, 4) B. (0, 5) C. (-1, 5) D. No solution
Mathematics
Find the perimeter of the figure.
A. 
B. 
C. 
D. 1313 yards
Mathematics
Determine the unit rate.224 miles on 8 gallons of gas
A. 0.036 mi/gal B. 1792 mi C. 28 mi/gal D. 232 gal
Mathematics