Find the exact value of the expression. Do not use a calculator.- 
A. 0
B. 1
C. -1
D. undefined
Answer: C
Mathematics
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Provide an appropriate response.Use the Binomial Theorem to write the first three terms in the expansion and simplify: (x + 3y2)9.
A. x9 + 27x8y2 + 324x7y4 B. x9 + 27x8y2 + 648x7y4 C. x9 + 30x8y2 + 648x7y4 D. x9 + 30x8y2 + 324x7y4
Mathematics
Express the set in simplest interval form.(-?, 3) ? (-7, ?)
A. (-?, -7] B. [-7, 3) C. (-?, ?) D. (-7, 3)
Mathematics
Determine whether the following is a probability model.
A. Yes B. No
Mathematics
Multiply by following the procedure for multiplying decimals.2.2 × 3.51
A. 7.722 B. 77.22 C. 0.07722 D. 0.7722
Mathematics