I need it rn this assignment is due midnight and its 8:36pm rn so please someone!​

Ineed with 14, 16, 28 and 36 me. we didn't go over them in class so i don't know what to do.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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?