If school gets off on june 2, when would school start? how long would the exact summer vacation be?

Use sigma notation to represent the following series for 9 terms.

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.

Which of the following scenarios demonstrates an exponential decay