the length of a flat screen TV is 5 inches less than 3 times its width. if the perimeter of the TV is 150 inches, find the dimensions

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%.

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees