Acouple has two children. what is the probability that both are girls given that oldest is a girl? what is probability that both are girls given that one of them is a girl?

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

16x^2-16x=5 solve the equation by completing the square