Please help me solve A, B, and C for each question. Thank you in advance.

From a group of 11 boys and 9 girls, a committee of 4 students is chosen at random. a. What is the probability that all 4 members on the committee will be girls? b. What is the probability that all 4 members of the committee will be boys? c. What is the probability that there will be at least 1 girl on the committee? a. The probability that all 4 members on the committee will be girls is (Type an integer or a simplified fraction.)@ Mathematical Connections 9.3.22 Question Help? From a sack containing nine red marbles, seven white marbles, and eight black marbles, marbles are drawn at random for several experiments. Determine the probability at each of the following events. a. One marble drawn at random is either black or white. b. The rst draw is black and the second is white, where one marble is drawn at random, its color is recorded, the marble is replaced, and another marble is dra c. The event in part {b} where the rst marble is not replaced. a. The probability one marble drawn at random is either black or white is D. (Type an integer or a simplied fraction.) 8.1.A-11 In each of the following arithmetic sequences, find (i) the 100th term; (ii) the nth term. a. 0, - 4, - 8, ... 4 6 b. F 1, 3 c. 17, 15 4 14 2 a. Find the 100th term and nth term of the given sequence. 3100 = an = (Simplify your answers.)