Expand the following:
-(-3 x - 9 y - 49)
-(-49 - 3 x - 9 y) = -(-49) - -3 x - -9 y:
-(-49) - -3 x - -9 y
-(-49) = 49:
49 - -3 x - -9 y
-(-3) = 3:
49 + 3 x - -9 y
-(-9) = 9:
Answer: 49 + 3 x + 9 y
The P wave is the primary preliminary wave because it is the first to arrive at a seismic station after an earthquake.
Answer:
In a federal system there is no centralized authority, while in a confederal system power is distributed equally among the states.
Explanation:
The Federal government is a type of government in which sovereign power rests with the central government, while in a confederal government political power rests with individual states and very little with the central government.
