Can someone break this down for me!! I'm stuck
it's an example the answer is 220

how do you get 220?!

Step-by-step explanation:

Recall the definition for the combination symbol with the use of factorial (symbol !):

Therefore, for the case where n = 12 and k = 9, we have:

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation:

a

step-by-step explanation:

jjddbdhid r