H/5-h(k+j) use h=5, j=3, and k=7​

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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?

The surface area of the triangular prism is .