Solve for S
I’m timed and provided a picture please help

Which letters from the table represent like terms? a and b b and c a and d b and d

What is the circumference of a circle with an area of 50.24 cm²?

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.