2x (x-y)+y(2x-y) tại x=2 và y= -2

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

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

Lisette takes an ela exam and got 16 out of 27 questions correct. what percentage of the questions did lisette get correct?