If a store runs out of advertised material during a sale customers become upset and the store loses not only the sale but also goodwill. From past experiences a music store find that the mean number of CDs sold in a sale is 845 the standard deviation is 15 and a histogram of the demands is approximately normal. The manager is willing to accept a 2.5% chance that CD will be sold out. About how many CDs should the manager order for the upcoming sale?

The car wash owner uses the equation y=x+44 to model the data, where x represents the number of days the business has been open and y represents the number of cars washed.

Given: m∠apc = 27°, m dc = 27° find: m ab

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.