Find the distance between the points with polar coordinates (a, b) and (c, d). distance =?

How do i do this activity, is appreciated

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?