X+2y=7 x+5=3y what is resulting equation

In which form is the following function written? y = - 2(x – 3)(x + 5)

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

As a salesperson you get $50/day and $3.60/each sales you make.if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.