Answer:The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days. 3. A line up for tickets to a local concert had an average (mean) waiting time of 20 minutes with a standard deviation of 4 minutes.
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Angle L = 90 degrees
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B- In Step 2, the associative property cannot regroup addition and multiplication.
Sold .40 * 300 = 120 cards with 180 remaining
.85 * 180 = 153 given to friends
Cards kept to herself = 300 - 120 -153 = 27
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Bro
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That's tuff