Find the missing angle 120, 40, 90, and x

What is the missing angle for this?

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

1- identificar select the category that corresponds to each term. january 23 11: 59 pm unlimited attempts remaining grade settings 276-279 vocabulary list modelo fiesta quinceañera casada adolescencia viudo juventud navidad niñez vejez aniversario de bodas divorciado madurez cumpleaños soltera

What is the 12th term of b(n)=-4-2(n-1)