Answer:
a
Step-by-step explanation:
Answer:
1716
Step-by-step explanation:
We can use the nCr equation to find this
n=13
r=7
Are the problems separated?
Answer:
Step-by-step explanation:
They have the same volume, so it's not a or d, but the surface area of a is 104, and the surface area of b is 94, so the answer is B.
Hope i helped! i also have this question in k12.<span />