CAN SOMEONE PLEASE PUT THIS IN SLOPE INTERCEPT FORM I NEED IT NOWW AND EXPLAIN

2x-1y=-5

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

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

Me i'm timed right now! there's 4 answer