Answer please. Need it today.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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?