What is the solution to x + 8 = 19​

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

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?

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)