Using the line of random numbers to run one simulation, what proportion of students tried out for a sport? 0.40 0.45 0.50 0.60

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Ill mark the brainliest if you me with the these three questions 7,8,9

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?