In a sale, there is twenty-five per cent off all prices. a chair costs £45 in the sale. how much was it before the sale?

Landon wrote that 3−2.6=4. which statement about his answer is true?

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Tan198=asin164=? how to solve this? ?