What is 5[cos(Pi/4) + I sin (pi/4)] raised to the 3rd power?

"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.

Which statement best describes the polynomial

Secant be and cf intersect at point d inside a what is the measure of cde