Find the surface area and i need work to me

If lmn=xyz, which congruences are true by cpctc? check all that apply

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?

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.