Aentire band decides to have a concert . tickets for the concert cost 7.50 each. a local buisness decides to donate an extra 0.50 for each 1.00 in ticket sales what is the least the number of concert tickets the band must sell in order to recieve 5,130 dollars

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

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?

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.