Sarah completed about 85% of her school homework. her friend emily completed x percent homework more than sarah. which expression represents the percent of homework emily completed? a. 85x b. x – 85 c. 85 + x d.

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

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?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25