Gerry earns 1.5 times her normal hourly rate for each hour she works after 40 hours in a week she worked 51 hours this week and earned $734.50. what is her normal hourly rate?

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

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree