Answer:
, 4.23 , 9/2
Step-by-step explanation:

9/2 = 4.5
4.23
That they are the exact same shape. Some of the sides will be longer and shorter than the other figure, but same shape.
Answer:
they are equal
Step-by-step explanation:
f(x) means the same thing as y.
Easiest way is if you have a graphing calculator, but if not. Simply plug in values for x, starting at -2 for this equation, and then find the corresponding y values. Then plot.
Answer:
A vertex (or node) of a graph is one of the objects that are connected together. The connections between the vertices are called edges or links. A graph with 10 vertices (or nodes) and 11 edges (links). For more information about graph vertices, see the network introduction.