02/14/18

a plane can travel 192 mi with the wind and then 180 mi back against the wind in 6hr. if the wind blows at 15 mph, what is the speed of the plane
substitute and solve 
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01/29/18

Lucy's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lucy
Lucy's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lucy $5.95 per pound, and type B coffee costs $4.25 per pound. This month's blend used three times as... more
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01/26/18

Is this biased or not biased and why....What is your favorite soft drink? Sample is chosen by picking names out of a telephone book.
I say unbiased but my cousin says biased so I am lost
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