Pls help I’m so... lost

Find the area of an equilateral triangle with a side of 6 inches

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.