Step-by-step explanation:
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Answer:
A prime number has exactly two factors, 1 and itself. For example, 13 is a prime number because the only factors of 13 are 1 and 13
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Answer: 68.1
Step-by-step explanation:
The area of a semi-circle is 1/2 the area of a full circle. The area of a full circle is pi*r^2. Therefore, the area of a semi-circle is:


The area of a rectangle is the length multiplied by the width:


The net area is the sum of the rectangle and the semi-circle:

Answer:
8
10 divided by 5 is 2, and 2 cubed is 8
Answer:
Dependent
Step-by-step explanation:
and 
Lets solve the second equation for y and then substitute it in first equation

Subtract 6x on both sides

Divide by 2 on both sides

Now we plug it in first equation for y

Add 3x on both sides

Both sides are same, they are equal. the system has infinite solutions.
They are said to be dependent