Eal cual es la respusta a b c d

Competencia: Argumentación
Tematica: Números racionales
El número real 0,3 = 3
un numero
3 3 3
10 100 1000 10 000
3
racional menor que
10 000
3
irracional menor que
10 000
Irracional, porque su expresion decimal es infinita.
racional, porque su expresión decimal es periódica​

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Franklin neason earns $5,250 a month as a sales manager. what is his semimonthly salary? a.$10,500b.$5,250c.$2,365d.$2,625

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup