Solve the problem.If 3 balls are drawn from a bag containing 3 red and 4 blue balls, what is the expected number of red balls in the sample?
A. 1.39
B. 1.29
C. 1.54
D. 0.89
Answer: B
Mathematics
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Evaluate using the order of operations.
A. 154 B. 98 C. 44 D. 1582
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Perform the transformation.Write cot x in terms of sin x.
A. 
B. 
C. 
D. ± 
Mathematics
Find the quotient.61.283 ÷ 0.01
A. 612.83 B. 6078.3 C. 632.83 D. 6128.3
Mathematics
Write the number without exponents.6.894 × 10-5
A. 0.00006894 B. 0.0006894 C. -689,400 D. 0.000006894
Mathematics