Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
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B.
C.
D.
Answer: C
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Use Pascal's triangle to expand the binomial.(x - 2y)6
A. x6 - 12x5y - 64x4y2 - 40x3y3 - 64x2y4 - 12xy5 - 2y6 B. x6 - 12x5y + 24x4y2 - 36x3y3 + 24x2y4 - 12x y5 + 2y6 C. x6 - 12x5y - 48x4y2 - 144x3y3 - 192x2y4 - 192xy5 - 64y6 D. x6 - 12x5y + 60x4y2 - 160x3y3 + 240x2y4 - 192xy5 + 64y6
Change the mixed number to an improper fraction.3
A.
B.
C.
D.
Graph the unit circle using parametric equations with your calculator set to degree mode. Use a scale of 5. Trace the circle to find all values of t between 0° and 360° satisfying the statement.
?
?
A. 55°, 155° B. 60°, 300° C. 60°, 150° D. 210°, 150° E. 210°, 300°
For the set of numbers, find the mean, median, and any mode that exist. 97, 89, 85, 85, 97, 99
A. mean: 93, median: 93, mode: 85 B. mean: 93, median: 92, mode: 97 C. mean: 92, median: 93, mode: 85 and 97 D. mean: 92, median: 85, mode: 99