What is the equation of the circle whose center and radius are given. center ( 7, -3), radius = 7

For the equations below which statement is true ? -2x=14 6x=-42

If i have 20$ and i gave 5$ away how much i got

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?