The hu family goes out for lunch and the price of the meal is $45 the sales tax on the meals is 6% and the family also leaves a 20% tip on the pretax amount what is the total cost of the meal

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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