What is 8/9 - 1/18? Please put in fraction form.
:)

What is the rule for reflection across the y axis

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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. what distance from city a is the point where the truck and the car will meet?