0.285714285 nearest thousandth​

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is