Ajogger travels 40 m along a path in 20 seconds. what is the jogger's average speed

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Acircle has a circumference of 28.36 units what is the diameter of the circle