Step-by-step explanation:

-14x²-1≠0
x²≠ -1/14
Option C
Answer:
the coordinates are (2,-7)
Step-by-step explanation:
its this bacause if you add all the vertices then subtract them you will get this
Answer:
520 Students
Step-by-step explanation:
If you multipy 650 by .8 you will get 520 and that is the percentage of students that is going.


Hence the sum of the finite Arithmetic series is: 24.4
Answer:
Sample Variance = 6.008
Sample standard deviation = 2.451
Step-by-step explanation:
We are given the following in the question:
10.6, 12.6, 14.8, 18.2, 12.0, 14.8, 12.2, 15.6
Formula:
where
are data points,
is the mean and n is the number of observations.
Sum of squares of differences = 42.06

Standard Deviation =
