A reindeer runs 20 1/4
miles in 3 hours. At that rate, how many miles does it run in 1 hour?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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

Plz ( true - false) all triangles have interior angles whose measure sum to 90.