Pretty sure this is a waning crescent! I had a whole chapter on it!
Answer:
Add 
Step-by-step explanation:
The polynomial 
can be added to eliminate the x terms by adding the additive inverse. We add which has the inverse sign value of the polynomial terms.
When we simplify, this leaves 
without an x term.
1 second = <span>0.000000001 Giga seconds
500 * </span>0.000000001 = <span>0.0000005 Giga seconds</span>
Formula of the Volume of a Pyramid is:
×Area of Base×Height of pyramid
V=
×3×4 (area of base=3 ft²)
V=4 ft³
and 3 cancels out.
Answer:
5b+3-b-b-4
Explanation:
First, you’ll do 5b-b-b which will become 5b-2b and equals 3b. Then 3-4 equals -1.
When simplified, you get 3b-1
