Part a: a circle is the set of all points that are the same distance from one given point. find an example that contradicts this definition. how would you change the definition to make it more accurate?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.