Tickets for a school play cost $7 and $10 for the adults. the equation 7x+10y=80 represents the number of students(x) and the number of adults(y) who can attend the play for $80. if no students attend, how many adults can see the play for $80?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?