The square root of a prime number (11) is irrational
Answer:

Step-by-step explanation:
7.84/7 = $1.12
5.70/5 = $1.14
1.14 - 1.12 = .2
2 cents cheaper
Answer:
r = 2
Step-by-step explanation:
(2-3)/(6-5)
= -1/1
= -1
An = P(1 + r)^n
An = 52000(1 + 6.75/100)^5.5 = 52000(1.0675)^5.5 = $74,477.78