Solve the system of Equation (x, y)
3x + 2y = -13
3x + 4y = 1

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?