Look at the trapezoid below. Which transformation carries the trapezoid onto itself?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

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?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?