Find x so that QS is parallel to PT. let PQ = 18. QR = 9. RS = 7. ST = X + 3

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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?

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day