Of the trains that recently arrived at Allenville Station, 12 were on time and 3 were late.
Considering this data, how many of the next 20 trains would you expect to be on time?
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A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Tom drove 206 miles in 3.9 hours. estimate his average speed.