What are some examples of recursion in real life, such as things you can write a recursive equation for? (for example, fern leaves are an example of a geometric sequence, and the distance from the ground on stairs is an example of an arithmetic sequence)

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 number is 7 units left of -15?

What is the radius of the cone in the diagram? round your answer to the nearest whole number