Answer: The parabola has its concavity downwards, so we need a function in the model:
With a negative value of 'a'
The vertex is (0,0), so we have that:
The x-coordinate of the vertex is given by the equation:
So we have a function in the model:
With a < 0
The only option with this format is B:
Step-by-step explanation:
Answer:
abcs
Step-by-step explanation:
abcdefghijklmnopqrstuvwxy and z
Answer:

Step-by-step explanation:

Answer:
umm..... i think it is 1/100 but i might be wrong sry if i am
Step-by-step explanation:
Answer:
305 meters
Step-by-step explanation:
You just have to subtract Lin's house's distance from Han's house from Han's house's distance to school. ---
450-145
=305
305m