Decide whether the statement is true or false.{4, 6, 8} ? {5, 7, 9} = {4, 6, 8, 5, 7, 9}
A. True
B. False
Answer: B
Mathematics
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Set the viewing rectangle of your graphing calculator to 
by 
to solve the problem.Graph the following set of parametric equations for 0 ? t ? 2? and identify the letter of the alphabet that the graph resembles.x1 = -2.5 + 1.2 cos(t),y1 = -2 + 1.2 sin(t)x2 = -2.5 + 0.6t/?,y2 = -2.6 - 0.3t/?
A. a B. Q C. G D. O
Mathematics
Perform the indicated operation and simplify.
÷ 
A. 
B. 
C. 
D. z - 3
Mathematics
Simplify the expression using the imaginary unit i.
A. 30i
B. i
C. ±30
D. -30i
Mathematics
Find the distance between the pair of points. Give an exact answer, and where appropriate, an approximation to three decimal places.(2, -5) and (7, 7)
A. 13
B. 169
C. 
, 18.385
D. 17
Mathematics