Molly is saving money in her ERHS bank account for her upcoming trip to Disney World. On the first day, she put in $34 and plans to add 8 more dollars each day. The Disney trip is in 187 days from the day he started saving. How much money will he have on the 187th day?

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