Answer:
Option B: 
Step-by-step explanation:
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:

Answer:
i think its an isoceles
Step-by-step explanation:
Answer:
The Answer is Sample Space
Step-by-step explanation:
Step-by-step explanation:
Q1. 1,075÷12.5 =8
So Therefore 1g of medicine cost 8 naira
Q2.645÷42=15.3
so therefore 1 hour cost 15.3 naira
Answer:
Step-by-step explanation:
So for this one you need to find how much text messeages you make in a day and subtract it from 19.
The second one confused me though.