What is the ratio of 100 milk cartons taken to the total of milk cartons

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

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

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8