pls I need help right triangle and trigonometry special right triangles find the value of each variable​

What is the measure of x? 43° 86° 172° 344°

Find the area of a parallelogram with base 15 yards and height 21 2/3

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. how many hours after the truck's departure will the two meet?