Which graph represents the solution set for the compound inequality below? -1/3 x+ 10 ≥ 7 x – 10 ≥ 7

1. are the triangles similar and if so why? what is the value of x? show your work.

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?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?