Solve the equation.-2x + 4(-2x - 3) = -16 - 6x
A. {-1}
B. 
C. {1}
D. 
Answer: C
Mathematics
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If 
, calculate the value of 
?
A. -7.42 B. 13.32 C. -9.96 D. -5.66
Mathematics
Solve the trigonometric equation symbolically, graphically, or numerically for 
tan2 ? - 1 = 0
A. ? = 45°, 135°, 225°, 315° B. ? = 30°, 150°, 210°, 330° C. ? = 225°, 315° D. ? = 45°, 135°
Mathematics
Graph the piecewise-defined function.
?
?
A. ?
B. ?
C. ?
Mathematics
Solve the problem.One number is 3 less than a second number. Twice the second number is 18 more than 4 times the first. Find the two numbers.
A. -7 and -4 B. -6 and -3 C. 3 and 6 D. -5 and -2
Mathematics