Eight prizes are randomly assigned to briefcases with values of $0, $2, $10, $50, $100, $250, $500, and $1000. you select a briefcase at random. what is the expected value of your briefcase?

Find the slope of the line passing through a pair of points

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.