Step-by-step explanation:
x=y
y=1/z^3
Now,
for equation,
x=y=1/z^3
The estimate should be 6.92
Answer: Choice C
Vertex = (5, -2)
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Explanation:
Vertex form is
where the vertex itself is located at (h,k)
As the name implies, we can very quickly pull out the coordinates of the vertex without doing much math at all.
In the case of choice C, we have
which is the same as
and we can see that h = 5 and k = -2. Therefore, the vertex is located at (h,k) = (5, -2)
Answer: 
Step-by-step explanation: In some cases you must apply the exponent rule, simplify, or multiply them together to get your answer.