CORRECT ANSWER = BRAINLIEST I need help with this question I had on a recent test.
(question is in picture ) The answer I found online is 25y^7 But I didn't know how to find the answer that's why I searched it up can someone please solve it for me step by step so I can understand?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Suppose that g(x)=f(x+9) which statement best compares the graph of g(x) with the graph of f(x)