each table shows four ratios of pens to pencils in a box .which tables show four equivalent ratios of pens and pencils? select all that apply

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

What is the value of x? enter your answer in the box.

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.