If my grandma is baked 30 cookies how many cookies does she backed

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Add the fractions and simplify 1/2+ 1/3

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?