Simplify the expression. show your work. -5 x 1 x 11 x 4

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.