How many variable are in the expression 3x3y + 5x2 - 4y

How can you decide witch operations to use to slice a two step equation

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

Finding tbe values of the variables in each kite