Find the probability of the event.A 10-question multiple choice test has 4 possible answers for each question. A student selects at least 6 correct answers.
A. .995
B. .118
C. .989
D. .020
Answer: D
Mathematics
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Solve.
= -1
A. 1
B. -1
C. -
, 
D. -1, 1
Mathematics
Provide an appropriate response.Explain how a system of linear inequalities could have a solution set containing exactly one point.
What will be an ideal response?
Mathematics
Factor the polynomial by grouping.x2 + 9x + 2x + 18
A. (x - 9)(x + 2) B. (x + 9)(x + 2) C. (x - 9)(x - 2) D. prime
Mathematics
Rewrite the expression without absolute value bars.
A. 11 B. 29 C. -11 D. -29
Mathematics