Suppose that 45% of all voters prefer Candidate A.

If 4 people are chosen at random for a poll, what is the probability that exactly 2 of them favor Candidate A?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?