Two pulleys are connected by a belt. The radii of the pulleys are 6 cm and 21 cm, and the distance between their centers is 30 cm. Find the total length of belt needed to connect the pulleys.

The total number of dental clinics total for the last 12 months was recorded

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Name two numbers whos difference is -3