Determine between which consecutive integers the real zeros of f(x)=x^2-4x-2 are located.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Shane and abha earned a team badge that required their team to collect no less than 2000 cans for recycling. abha collected 178 more cans than shane did. write an inequality to determine the number of cans, s, that shane could have collected.

Astudy of an association between which ear is used for cell phone calls and whether the subject is left-handed or right-handed began with a survey e-mailed to 5000 people belonging to an otology online group, and 717 surveys were returned. (otology relates to the ear and hearing.) what percentage of the 5000 surveys were returned? does that response rate appear to be low? in general, what is a problem with a very low response rate?