4 is not a numerator up there I believeee
Using .25N, you set N equal to 18 for 18 quarters. so .25(18) = 4.50
Answer:
The y-intercept is (0,-6), the vertex is (4,2)
Step-by-step explanation:
What we have to solve is:

we should multiply both sides by10, to get the "x" by itself:



so there are 8 tenths in this number!
N-10 because you want to take 10 away from n