Answer:

Step-by-step explanation:
Given

Required
Determine the expression for s
The speed is calculated as:

Substitute S for speed

Let the number of books be b and the time be m.
The expression becomes

Hence, the expression for the scenario is:

A and B are right C is incenter D is totally wrong hope this helps god bless
10x + 19y = -11
19y = -10x - 11
y = -10/19x - 11/19 <===