С = πD
С = 3,14×40
С = 126 in ← <span>to the nearest inch </span>
Answer: A 729
Step-by-step explanation:
Nine less than a number
is
n - 9
Difference of two squares will be
16y^2 -x^2 = (4y -x)(4y +x)
so the second choice
Answer:
40320 ways
Step-by-step explanation:
Given
Members = 8
Required
Number of ways they can be selected
Since, the order does not matter;
They can be selected in 8! ways


<em>Hence, there are 40320 ways which the director can select them for the concert</em>