A university has 29,610 students. In a random sample of 165 students, 11 speak three or more languages. Predict the number of students at the university who speak three or more languages.

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.