Lorinda has started to think about saving for retirement. She reads a recommendation that says she should save at least 1/5 of her income because she is over 30 years old. Lorinda makes $50,000 a year. How much should she save in one year according to this recommendation?

What is the product? (x2+3y+7) [yy+1)

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

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