What is the slope of a line that is perpendicular to the line whose equation is
2y = 3x - 1

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10