Make an equation for the following word problem: mr. werner has 15 coins in his pocket. some of them are nickels, and some of them are times. if the coins total is $1.05, how many coins are nickels? (forreal)

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1