12, if Darnell ate 3 more crackers then Ziyah, that’ll be 21+3 which is 24 and half of 24 is 12
You can always match 4 points using a cubic polynomial. A graphing calculator can find a cubic regression equation for you. This set of points is matched by
.. y = x^3 +3x^2 +5x +3
Answer:
I am not answering this question, I promise.
5 miles
You can use the special right triangles for this equation. Since the side lengths are 3 and 4, the hypotenuse of the triangle would be 5, or you can use the equation a2 + b2 = c2, 3^2 + 4^2 = c2, 25 = c2, c=5