Julia spends $2.25 on gas for her lawn mower she earns $15.00 mowing her neigbors yard what is julias profit

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

Can someone tell me if this is perpendicular? !

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.