What is the equivalent expression for 4(8x-5)

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

I’m not good at math can i have ? ?

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.