This is adding decimals Add: 9.1 + 3.01

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.

Which graph shows the solution set of x^2+4-12x/> 0

What is the definition of a surd. give an example.