Use the number line to answer the question. A number line going from negative 5 to positive 5. Point A is negative 1, point B is 0, point C is 1, and point D is 4.5.

Which statement about graphing rational numbers is true?
The graphs of all rational numbers will be to the right of point B.
The graphs of all rational numbers will be to the left of point B.
Point D does not represent a rational number.
All of the points on the graph could represent rational numbers.

Is this a polynomial function? i need to know asap

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?

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.