Find the indicated term of the binomial expansion.9th term; (x - 2y)11
A. 42,240x8y3
B. -21,120x3y9
C. -21,120x8y3
D. 42,240x3y8
Answer: D
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Find the magnitude of the vector.
?
What will be an ideal response?
Solve by extracting square roots.x2 + 343 = 0
A. {± 7
}
B. {± 
i}
C. {± 14
i}
D. {± 7
i}
Solve the problem.A bag contains 5 apples and 3 oranges. If you select 4 pieces of fruit without looking, how many ways can you get 4 apples?
A. 15 ways B. 5 ways C. 10 ways D. 8 ways
Find the linear equation that meets the stated criteria.The linear equation y = 468x + 3420 provides an approximation of the annual cost (in dollars) of health insurance for a family of three, where 
represents 1994, 
represents 1995, and so on. Write an equation that yields the same y-values when the exact year number is entered.
A. y = 468(x - 1994) + 3420 B. y = 468(1994 - x) + 3420 C. y = 468(x - 1993) + 3420 D. y = 468(1993 - x) + 3420