Multiply.(u2 - 3)(u2 + u - 5)
A. u4 + u3 + 8u2 - 3u + 15
B. u4 + u3 - 3u + 15
C. u4 + u3 - 8u2 - 3u + 15
D. u4 - 3u2 - 3u + 15
Answer: C
Mathematics
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A. the median of the data set B. the average of the data set C. the first quartile of the data set D. the smallest value in the data set E. all of these are given in the five-number summary.
Mathematics
Simplify the power of i.i73
A. 1 B. -1 C. i D. -i
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Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.
A. 2x
B. 3x
C. 2x
D. 4x
Mathematics
Solve the equation.
y + 21 = 36
A. 
B. 16
C. 51
D. 
Mathematics