Answer:

Step-by-step explanation:
s represents one side of the cube
Volume of cube= (s)^3
= (3x)^3
= 27x^3
Answer:
Cara multiplied only 4 and 7 together and did not multiply 4 and 13.
Step-by-step explanation:
Let us evaluate the given expression step by step,

We can evaluate this expression in two ways; either by subtracting -13 from 7 and then multiply by 4 or by multiplying 4 to 7 and -13.



Now let us see where Cara made an error. We can see Cara just multiplied only 4 and 7 together and did not multiply 4 to 13.
Therefore, Cara made error in her first step.
The symmetric property of equality.
This property states that: if a = b, b = a.
Answer:
Minimum
Step-by-step explanation:
A minimum occurs when the line goes from decreasing to increasing
Answer:
Step-by-step explanation:
a=-7
r=21/-7=-3
