Answer:
The coordinates of the vertex is (6,4).
Step-by-step explanation:
The vertex is the highest or lowest point on the parabola (curved line).
Answer:
892.85 miles for 22 days
Step-by-step explanation:
Answer:
11x + 12
Step-by-step explanation:
9x + 3x = 11x
8 + 4 = 12