If y varies directly with x and y=60 when x =15 find k and write an equation of direct variation

What is not true about kl and mn? what is mn? (show your work)

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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?