The American Red Cross wants you to write a program that will calculate the average pints of blood donated during a blood drive. The program should take in the number of pints donated during the drive, based on a seven hour drive period. The average pints donated during that period should be calculated and displayed. Use a loop in the program to run multiple times.

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

On early television stations, what typically filled the screen from around 11pm until 6am? test dummies test patterns tests testing colors

Why were most movies from the late 1890s until the early 1930s only filmed in black and white? there were only a few people who could afford the technology to produce color motion pictures back then. audiences did not want color motion pictures until later. the film used to make color motion pictures often overheated, which was a safety hazard, so it was generally not allowed. color films had to be hand-colored, frame by frame.