Acar repair shop charged $80 per hour for labor and $210 for the parts of a car. the total cost of repair for the car was $490. which of the following equations can be used to model this situation, where h is the number of hours for labor? a) 80 + 210 = h b) 210 + 490 = h c) 80h + 210 = 490 d) 210h + 80 = 490

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

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

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week