Solve and recieve brainlist ​

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.