Complete the square for the expression . Then factor the trinomial . x ^ 2 + 20x I need it ASAP!!

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12