A large university sponsors a raffle and sells 2400 tickets. What is the expected value of a ticket if there is one prize worth $500, four prizes worth $100, and ten prizes worth $10? What is the standard deviation?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.