Round 48.078 to the nearest tenth 48.1, 48.08, 50, or, 48.8

Find the vertex of the function given below y=x^2-6x+1

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?

How do i put 3(x+7) in distributive property