What is the relation between the trigonometric ratios tan(R) and tan(J)? Please answer ASAP!

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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?