What the area of this polygon is

Complete the square to determine the minimum or maximum value of the function defined by the expression. x2 − 12x − 2 a) maximum value at 38 b) minimum value at 38 c) maximum value at −38 d) minimum value at −38

Ten times the square of a non-zero number is eqaul to ninety times the number

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?