The sum of the digits of a two-digit counting number was 13. when the digits were reversed, the new number was 9 less than the original number. what was the original number?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts