Use the Binomial Theorem to find the indicated coefficient or term.The 5th term in the expansion of (x - 2y)12
A. 7,920x4y8
B. -3,960x8y5
C. -3,960x4y8
D. 7,920x8y4
Answer: D
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?Fill in the blank to make the following number divisible by 18, and explain why: 6488__
A. ?1, because the sum of the digits must be divisible by 9. B. ?4, because the number must end in an even number. C. ?4, because the number must end in an even number and the sum of the digits must be divisible by 9. D. ?there is no number that will work. E. ?any even number that will make the sum of the digits equal to a multiple of 3.
Simplify.
A. 
B. 
C. 12
D. 1
How many different rays have B as their initial point? Name them
Solve the equation for solutions in the interval [0°, 360°).sin 2? = cos ?
A. ? = 0°, 120°, 180°, 240° B. ? = 105°, 165°, 285°, 345° C. ? = 15°, 165°, 195°, 345° D. ? = 30°, 90°, 150°, 270°