Given the series of equations and expressions provided, it appears that they are unrelated and potentially incorrect or incomplete. Here is a more coherent mathematical task based on the provided expressions:

Simplify or solve the following expressions:

1. [tex]$\frac{14}{15}$[/tex]
2. [tex]$1408 - 15$[/tex]
3. [tex]$14.99s + 15y$[/tex]
4. [tex]$11000 - 153$[/tex]

(Note: The first expression [tex]$\frac{14}{15} = 9$[/tex] seems to be incorrect since [tex]$\frac{14}{15}$[/tex] is not equal to 9. It has been rewritten to simplify [tex]$\frac{14}{15}$[/tex].)

Of course! Let's go through each part of the question step by step.

1. Comparing the fraction [tex]$\frac{14}{15}$[/tex] to 9:
[tex]\[
\frac{14}{15} \approx 0.9333
\][/tex]
Clearly, [tex]$\frac{14}{15}$[/tex] is not equal to 9. It is approximately 0.9333 when evaluated.

2. Subtracting 15 from 1408:
[tex]\[
1408 - 15 = 1393
\][/tex]

3. Handling the expression [tex]$14.99s + 15y$[/tex]:
This is an algebraic expression that involves the variables [tex]$s$[/tex] and [tex]$y$[/tex]. Without specific values for [tex]$s$[/tex] and [tex]$y$[/tex], we cannot simplify it further. The expression remains:
[tex]\[
14.99s + 15y
\][/tex]

4. Subtracting 153 from 11000:
[tex]\[
11000 - 153 = 10847
\][/tex]

So, putting everything together, the evaluated results are:

1. [tex]$\frac{14}{15} \approx 0.9333$[/tex]
2. [tex]$1408 - 15 = 1393$[/tex]
3. The expression remains [tex]$14.99s + 15y$[/tex] as it is.
4. [tex]$11000 - 153 = 10847$[/tex]

These calculations lead us to the following results:
[tex]\[
(0.9333, 1393, 14.99s + 15y, 10847)
\][/tex]

I hope this helps! If you have any more questions, feel free to ask.