Does the graph of the function y=3x^2-5x+2 open upward or downward?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

(x-5)1/2+5=2 what is possible solution of this equation

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