A hospital purchases an x-ray machine for $20,000 and expect to be able to use the machine for 8 years. They sell the machine back to the manufacturer for parts for $3000 salvage value What is the annual depreciation rate?
The hospital can write-off
V of the original purchase price.

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Which of the following is the shape of a cross section of the figure shown below

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?