Answer:
6 + (7 + 8) = 21
Step-by-step explanation:
the associative property of addition is: (a + b) + c = a + (b + c)
So the equivalent addition sentence would be:
(6 + 7) + 8 = 6 + (7 + 8) as they both equal 21
c
6,031 <em>using diameter, not radius</em>
Which rounds closest to
6,031
B. 3:7
hope it helps u :)
