Your friend and her parents are visiting colleges. they leave their home in enid, oklahoma, and drive to tulsa, which is 107 mi east and 18 mi south of enid. from tulsa, they go to norman, 83 mi west and 63 mi south of tulsa. where is norman in relation to enid?

Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.

In the diagram below, ab and bc are tangent to o. what is the measure of

Read the article about the fraser river, one of the most important rivers in canada. what is the most important species of fish in this river? why are the numbers of these fish declining?