Find the first term of the arithmetic sequence in which a27=-1/2

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

The author believes that the concept of fairness is not a useful term

There are many factors that selective colleges take into consideration when deciding whether to admit a student list 4 of them