In a week karry ran 9.3 miles and tricia ran 4.4 miles. use mental math to find how much farther karry ran than tricia. explain how you determined the difference.

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

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?

How can you construct perpendicular lines and prove theorems about perpendicular lines