The vertex form:

The axis of symetry is x = h.

We have

Substitute:

<h3>Answer: x = -3</h3>
Answer: 34+89=7464668+684967676734(64774)+634876=<563576763>6783876783<+>74979894=738938477482738978e9827897279
Step-by-step explanation:
Answer:
20 pencils
Step-by-step explanation:
4 pens (4) = 16 pens
5 pencils (4) = 20 pencils
This works because 4/5 and 16/20 are the same ratio, 16/20 isn't simplified..