Find the volume of a sphere and radius is 3. please answer in terms of pi

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

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2