What factors are used to calculate the un's human development index(hdi)?

Given sin=-4/5 and x is in quadrant 3, what is the value of tan x/2

Briefly explain one difference in the practice of realpolitik by louis napoleon and otto von bismarck.

Which of the following statements is true about taste bud preferences? a. taste buds respond exclusively to a certain taste sensation, like saltiness. b. taste buds have the ability to respond to all of the taste sensations. c. taste buds do not differentiate between bitter and salty sensations. d. taste buds have the capability to detect three taste sensations.