Factor by grouping.sn + tn + sw + tw
A. (s + n)(t + w)
B. (s + w)(n + t)
C. (s + t)(n + w)
D. (s + t)(n + t)
Answer: C
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Solve the problem.Which data set given below has the largest standard deviation?
A. {3, 4, 5, 6, 7} B. {1, 1, 5, 9, 9} C. {3, 4, 6, 6, 6} D. {2, 4, 5, 6, 8} E. {3, 3, 5, 7, 7}
Use counting to determine the whole number that corresponds to the cardinality of the set.A = {x?x is a second in a minute}
A. n(A) = 120 B. n(A) = 30 C. n(A) = 60 D. Infinite
Solve the equation.-9b + 5 + 7b = -3b + 10
A. {-10} B. {-5} C. {10} D. {5}
Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.1 - 
, 1 + i
A. f(x) = x4 - 4x3 + 4x2 - 4 B. f(x) = x4 + 3x3 + 4x2 - 1 C. f(x) = x4 + 6x3 + 4x2 - 4 D. f(x) = x4 - 6x3 + 8x2 - 4