Suppose you want to build a rectangular prism fish tank with a square bottom made of plastic, glass sides, and an open top. You want the container to have a volume of 16 cubic feet. The plastic for the bottom costs $1 per square foot and glass for the sides costs $2 per square foot. Find the minimum cost of such a container.

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

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?

Factor the polynomial expression x6 – x3 – 20