jeff's school is selling raffle tickets for $1 each. of all the money collected from the sale of raffle tickets,80% will go to a scholarship funds, and 20% will go to the winner of the raffle. Jeff bought 5 of the 750 raffle tickets sold. what is the expected payoff for Jeff when playing the raffle, and what does it mean​

Ineed in figuring out this problem.

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

In angle pqr find the measure of