What is a formula for the nth term of the given sequence?
4,1, -2...

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Name the most appropriate metric unit for each measurement

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.