Answer:

Step-by-step explanation:
just replace x by 2
C because there is 180 degrees in a triangle. 147+17=164 and 180-164 is 16
Answer:
x = 3.16
Step-by-step explanation:
x * x = 10

square root both sides

x is appr. 3.16
Answer:
D
Step-by-step explanation:
To find the average, add up all of the values and then divide by the number of values.
So first, add (-5) + (-4) + (-7) + (-2) + (2) + (5)
You get -11. Then, divide -11 by the number of values (6)
-11/6 is about -1.83, which rounds to -2