Could 4.1 cm, 8.4 cm and 1.3 cm be the side lengths of a triangle? a yes b no

Which expression is equivalent to 2^4y^3

"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.

Pranza plotted point a in the coordinate plane below.