The answer is B.
Hope it helps!
Answer: number one
Step-by-step explanation:
the x and y axis never completly cross
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<em>Correction to your question text: diameter, not radius.</em>
The area of a circle is given by:

The radius is half of the diameter.

Substitute and solve.

The answer is B) 20
Because you have 5 brands and you combine each with the 4 others, so 5*4=20
Answer:
d = -8
Step-by-step explanation:
Isolate the variable, d. Note the equal sign, what you do to one side, you do to the other. Divide -4 from both sides of the equation:

d = -8 is your answer.
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