Hoover Dam is located on the Colorado River between Nevada and Arizona. Every second, 270,000 cubic feet of water pass through each of the dam’s 2 spillways. Which is the best estimate of the number of cubic feet of water that pass through both spillways in 1 hour?

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have