How do I find central angle with coordinates (42.36,-71.06) (44.5,-73.11) in order (a, b) (c, d)

Describe all the numbers that when rounded to the nearest thousand are 645,000

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Kayla has a $500 budget for the school party. she paid $150 for the decorations. food will cost $5.50 per student. what inequality represents the number of students, s, that can attend the party?