Which data set has the greatest spread for the middle 50% of A. {18, 13, 22, 17, 21, 24}

B. {17, 19, 22, 26, 17, 14}

c. {13, 17, 12, 21, 18, 20}

D. {18, 21, 16, 22, 24, 15}

What's the answer

0002077 in scientific notation

Simplify the expression. 3a-9b

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