(4) let s - {a, b,c, d,c}. (a) list all of the 2-permutations of sin an organized manner. how many are there? (b) list all of the 2-combinations of sin an organized manner. how many are there? (c) list all of the 3-combinations of s in an organized manner. how many are there?
(d) on the previous page, you should have gotten the same number of 2 combinations of s as 3-combinations. explain why we should expect these numbers to be the same.

2? if not the correct answer you might need to provide more information

step-by-step explanation:

you can't solve x because it is 2 linear equation and you only have one equation

no solution

step-by-step explanation:

there is not enough information in the problem to solve.

in geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel. by extension, a line and a plane, or two planes, in three-dimensional euclidean space that do not share a point are said to be parallel.