In rectangle ABCD, point E lies half way between sides AB and CD and halfway between sides AD and BC. If AB = 3 and BC = 2, what is the area of the shaded region? Write your answer as a decimal, if necessary. Do not include units in
your answer.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Can you me find the missing length. i attached an image.

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?