Happy horses stable charges a flat rate of $12 to rent a horse plus $5 per hour. charlie paid $37 to rent a horse. how many hours, x, did he pay to have the horse?

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.