An elf, a dwarf, a hobbit, a wizard, and a man are sitting in a line. how many different ways can they sit if the elf and the dwarf insist on sitting next to each other?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements

Will give a: 122 b: 90 c: 48 d: 180