Answer:
its C (l = l equals StartFraction S Over pi minus r squared. – r2)
Step-by-step explanation:
i guessed and got it right(:
Answer:
462 ways
Step-by-step explanation:
One book never selected means 12 - 1 = 11.
So to find the number of ways, 11C5 which equals to: 11!/(5!(11-5)!) = 462
Answer:
25
Step-by-step explanation:
5=20% of x
0.20x=5
divide both sides by 0.20
x=25
Answer:
$6938.78
Step-by-step explanation:
Interest = Principal x Rate x Time (in years)
let 'P' = Principal
85 = P × .021 × 
85 = .01225P
85 / .01225 = P
6938.78 = P
Answer D
2*2-3*(-1)= 4+3=7#4
