A point is chosen at random on AK. What is the probability that the point will be on overline CD ? Don't forget to reduce.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.