Answer:

Step-by-step explanation:
Multiply across.

Then Simplify.

You almost had it right! remember the equation of a circle is
(x - h)^2 + (y - k)^2 = r^2. the center is (h,k) and r is the radius.
(x - 0)^2 + (y - 0)^2 = 5^2
x^2 + y^2 = 25 <<< your answer
hope that helps, God bless!
Surface area = 6 x 10^2
6 x 10^2
6 x 100
600m^2
Answer: The 2 answers are
7・4 + 7・9
and
7(4+9)
Hope this helps!✦
Step-by-step explanation: