How many solutions are there to the equation
3x +9 - 6x(6 + 8) = 7(7 + 3)

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?

Who long does it take to drive 150 miles at 45 miles per hour

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer