Which equation represents a proportional relationship?

Average acceleration: i have no idea how to do this.

Combine like terms to make a simpler expression 3z+z

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.