Answer:
5-5=0
Step-by-step explanation:
Answer:
15,603,840,000
Step-by-step explanation:
A week is 604,800 seconds. 25,800 multiplied by that is 15,603,840,000.
2 and 3 are correct. 1 is false because the graph opens downward. If the a value, which is -1 in this case, is less than 0, the graph will open downward. -1 is less than 0 so the graph opens downward