An t-shirt was originally priced at 45, but was placed on sale for 10% off the original price. if a sales tax of 8% was added on to the sale price what did the t-shirt cost at the register, including the tax?

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?