A boat travels 351 km in 15 ( with a constant speed ). How far can it travel in 18 hours ( with the same speed)?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

What is the measure of angle tvu shown in the diagram below

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