C) a²(b + c) + b2(c + a) + c2(a + b) + 3abc;

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?