A mother bought 8 books and 3 pens. Write an expression in terms of B and P for the items she bought​

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%.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

The square root of 9x plus 7 plus the square rot of 2x equall to 7