Ok so the first blank square would be 6, the second would be 48 and the third square would be 10.5 because you would multiply the top number or divide the bottom number by 4. Hope this helps. Happy Thanksgiving
Answer:

Step-by-step explanation:
we know that
The area of a circle is equal to

In this problem we have

Substitute and find the area

Remember that
subtends the area of complete circle
so
by proportion
Find the area of the shaded regions
The central angle of the shaded regions is equal to 

Answer:
B. A square is a rectangle.
Answer:
a(n)=3+(n-1)2
Step-by-step explanation:
a(n)=3+(n-1)2
arithmetic sequence