Triangle qrs is plotted in quadrant i. after a 180° rotation about the origin, which quadrant would its image be? quadrant i quadrant ii quadrant iii quadrant iv

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?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?