Answer:
2/3 or 66.66..%
Step-by-step explanation:
First, add all the number of marbles and you get 6. Second you just divide the number of green marbles which is 4 by 6 and you get 2/3 or if they want it in percent then, 66.66..%
The answer for this is less than 887
Answer:
the 21st day
Step-by-step explanation:
21 is 3 and 7's least common multiple
Answer:

Step-by-step explanation:
The equation of a quadratic function in vertex form is given by:

Where (h,k) is the vertex.
It was given in the question that the vertex of the parabola is (-1,4).
When we substitute the vertex into the formula we get:

The parabola also passes through (4,19) hence it must satisfy its equation.



We divide both sides by 25 to get:

Hence the quadratic function is:
