Answer:
Graph 2
Step-by-step explanation:
Graph two is not a function because it does not pass "the vertical line test", which is a method of determining if a graph is a function or not. To do this, we use our pen to check that for every x value there is only one y value. In graph two, however, this is not the case.
Answer:
Statistics as numerical facts involves the use of numbers from a sample in determining the mean, media, mode, variance etc of the given sample of numbers. It is useful in giving more information about an Economic state.
Statistics as a discipline or field of study is the art of the usage of these data in the interpretation and analysis of the different data available.
Answer:
13 sides
Step-by-step explanation:
1980 = (n − 2)×180 Formula for number of sides
n − 2 = 1980/180 Divide both sides by 180
n - 2 = 11
+ 2 + 2 Add 2 to both sides
n = 13
Add up the sides and you will get your perimeter