What is the value of x when square root of x = 20

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142

For the inequality |c| < |d| to be true, which of the following must be true?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal