Answer:

Step-by-step explanation:
Let's subtract:



(h,k) is the vertex
b/2a is the line of symmetry
a > 0 parabola opens upward, vertex is a minimum
a < 0 parabola opens downward, vertex is a maximum
My first answer was deleted lolol
Answer: D
I just took the test and the answer is D.
9 inches, divide 108 by 12, because 12 inches makes a foot
Answer:
the awencer is 4.2
Step-by-step explanation: