two cars leave Memphis from exactly the same spot. one traveling north at 70 mph and the other traveling south at 65 mph. how long does it take before the cars are 270 miles apart?

Can a system of equations have more than one solution

What is 0.624 an expanded form

Describe what happens when a number is added to its opposite Write an equation that shows a number c being added to its opposite

3 х - бу = 22 у = - 5 х + 32

A bird leaves its nest and travels 12 miles per hour downwind for x hours. On the return trip, the bird travels 2 miles per hour slower and has 3 miles left after x hours. What's the distance of the entire trip? How long does the entire trip take?

Genius society requires an IQ that is in the top 2% of the population in order to join. If an IQ test has a mean of 100 and a standard deviation of 15, what is the minimum qualifying score to join the genius society?

If 2a=9-b and 4a=3b-12, what is the value of a?

What's the slope intercept form?

Solve the inequality. |2x + 9| < 25

Explain why the absolute value of a number is always positive