Hello its my birthday :D I think A is correct ?? but if its not correct can someone please help

The triangles are similar. what is the value of x? show your work.

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.