You are trying to find how much younger Kaylee is than Lylah.
You would subtract her age from Lylah's.
45-18= 27
Kaylee was 27 years younger than Lylah.
I hope this helps!
~kaikers
Answer:
see explanation
Step-by-step explanation:
A difference of two squares is factored as
a² - b² = (a - b)(a + b)
(g)
1 - 81y²
= 1² - (9y)²
= (1 - 9y)(1 + 9y)
(j)
64x² - 25y²
= (8x)² - (5y)²
= (8x - 5y)(8x + 5y)
We have

To simplify it we can divide numerator and denumerator by the same number (the greatest possible is the best)

- its the simples form..
The mean is 35/5=7
The variance is the average of the sum of squared differences of each element from the mean:
v=((7-7)^2+(5-7)^2+(11-7)^2+(1-7)^2+(11-7)^2)/5
v=(0+4+16+36+16)/5
v=14.4