F(x)=-x+12/4 Not sure if this is right..
Answer:
1 and 2 are not polyhedrons, as a circle has infinite sides
1. cone, 1 vertex
2. sphere, nothing
3. pentagonal prism?
wait but can't every face be a base???
anyway 7 faces, 10 vertices
4. triangular prism
5 faces, 6 vertices
Step-by-step explanation:
Answer:
Figure C is the correct answer
Answer:
x + 3
Step-by-step explanation:
Since the fractions have the same denominator we can add them. Adding them gives us (x + 3) / y so the numerator is x + 3.