The average (arithmetic mean) of 0, a, and b is 2a. what is the value of b in terms of a?

Match each polynomial with its factorization.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

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?