
The formula of the sum of the arithmetic sequence:

calculate:

substitute

Your answer is:
Neptune is about four times wider than Earth.
Answer:
57
Step-by-step explanation:
Angle IHK and JKH are alternate angles.
Alternate angles are equal
Answer:I'm 80% sure it is c?!?!
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
C is located at (5,3).
If you want to reflect this over the y-axis, you need to have the same distance that (5,3) is to the y-axis on both sides.
If you look at your graph you should see that (5,3) is 5 units a way from the y-axis so when you put it on the other side it should be 5 units a way also.
So the reflection will give you (-5,3)