Evaluate 3 to the 2nd power + (8-2)•4-6/3

What is the most accurate measurement of 1 pound

Which expression will have the same sum as 3_8 + 1/4?

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