Find the radius if the circumference is 25.1

China's new 5 percent tax on disposable wooden chopsticks, reflecting concerns about deforestation, has been praised by environmentalists. the move is hitting hard at the japanese, who consume 25 billion set of wooden chopsticks annually. almost all of the chopsticks used in japan come from china. the reuirements for chinese manufacturers of wooden chopsticks to pay the 5 percent tax is a factor in their external environment.

You wish to retire in 13 years, at which time you want to have accumulated enough money to receive an annual annuity of $23,000 for 18 years after retirement. during the period before retirement you can earn 9 percent annually, while after retirement you can earn 11 percent on your money. what annual contributions to the retirement fund will allow you to receive the $23,000 annuity? use appendix c and appendix d for an approximate answer, but calculate your final answer using the formula and financial calculator methods.

Ray gives his son, mason, three bowls. these bowls have the same capacity, but each one differs slightly in its shape and size. ray tells his son that one of the bowls can hold more liters of oil than the other two bowls. mason points out that all the bowls, though may appear different in size and shape, can store the same volume of oil. in this case, ray was most likely testing mason's concept of