Answer:
48 km/h
Explanation:
Every half hour, the train travels 24km. Multiply that by 2 and you get 48km/h.
For vertex form, half the middle term and square it
(x2 + 4x + 16) + 18 - 16
so...
(x + 4) ^2 + 2
Answer:
4.
Step-by-step explanation:
Hope this helps!
Answer: 5/16 3/8 2/4 1/2
Step-by-step explanation: i think this is right idk sry if its wrong