PLEASE HELP! 30 points + I'll mark brainliest to best answer!
Part A: Create a fourth-degree polynomial in standard form. How do you know it is in standard form?
Part B: Explain the closure property as it relates to polynomials. Give an example.

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

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Which of the following graphs could represent a cubic function?