In which of the following functions would it be appropriate to use only positive integers for the domain? Select all that apply.

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Hi, can anyone show me how to do this problem? 100 points for this. in advance