4times the difference of f squared and g, increased by the sum of f squared and 2g?

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

Which of the following will form the composite function?

2,10,-50 next two numbers geometric sequence