Joe is preparing 18 hot dogs for his party. however, joe only has 12 hot dog buns. how many more hot dog buns does joe need?

Can someone pls ! pls answer all. no explanation needed..

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.