Nantri counted 20 goats and chickens in a yard. Duane counted a total of 54 feet for the 20 animals . (a) how many goats were in the yard. (b) how many chicken were in the yard

Asphere has a diameter of 10 in. what is the volume of the sphere?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)