A 9th class has 15 boys and 30 girls. Two representatives are to be selected at random from the class. Find the probability that, (i) the first representative is a girl.
(ii) the second representative is a girl, given that the first representative is a boy.
(iii) first is a boy and second is a girl.
(iv) a girl and a boy is selected as representatives.

On june 1 of the current year, chad wilson established a business to manage rental property. he completed the following transactions during june: opened a business bank account with a deposit of $28,000 from personal funds. purchased office supplies on account, $2,690. received cash from fees earned for managing rental property, $7,390. paid rent on office and equipment for the month, $3,310. paid creditors on account, $1,230. billed customers for fees earned for managing rental property, $6,130. paid automobile expenses (including rental charges) for the month, $740, and miscellaneous expenses, $370. paid office salaries, $2,330. determined that the cost of supplies on hand was $1,590; therefore, the cost of supplies used was $1,100. withdrew cash for personal use, $2,210. required: 1. indicate the effect of each transaction and the balances after each transaction: for those boxes in which no entry is required, leave the box blank. for those boxes in which you must enter subtractive or negative numbers use a minus sign. (example: -300) answer

Which of the following is one of the five fundamental questions? which products will be in scarce supply and which in excess supply? who should appoint the head of the central bank? how much should society save? correct what goods and services will be produced?

Consider the labor market for heath care workers. because of the aging population in the united states, the output price for health care services has increased. holding all else equal, what effect does this have on the labor market for health care employees? a. the equilibrium wage increases and the equilibrium quantity of labor increases.b. the equilibrium wage increases and the equilibrium quantity of labor decreases.c. the equilibrium wage decreases and the equilibrium quantity of labor increases.d. the equilibrium wage decreases and the equilibrium quantity of labor decreases.