Youve just recieved an order of silk glower arrangments from your wholesaler. you pais $20.00 each for them. your store uses a 10% markup rate. what is the selling price of thesilk flower arrangments

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

What is the total surface area of this square pyramid?

What is the equation of a line that passes through points (0, 4) and (-4,-8)?