28,000,000 will be the answer
Area of a circle is

. The first one, a, the radius squared is 8*8=64. So

. If you multiply in pi as 3.14, you'll have 200.96 square inches. The second one, b, the radius squared is 10*10=100. So

square kilometers. If you multiply in pi as 3.14 you'll have 314 square kilometers. The third one, c, the radius squared is 14*14=196. So

. Or you could multiply in pi as 3.14 to get 615.44 yd squared. For the last one, d, the radius squared is 22*22=484 cm. Therefore,

, or multiply in 3.14 for pi to get 1519.76 cm squared. There you go!
Word form-five hundred six thousand,seven hundred nine
Expanded form-500,000+6,000+700+9
Answer:
(-4, 0) (8, 0)
Step-by-step explanation:
I did the K12 test.
4.125 x 14 = 57.75
So 57.75 is the answer and I have to show my work