Answer:



Step-by-step explanation:
Given

Required
Select true inequalities

Subtract 2.1 from both sides

This is true

Open brackets

Subtract 4 from both sides




This is also true
1. N=x+3
S=2(x+3), or Sam=2x+6
Answer:
Pretty sure it is C
Step-by-step explanation:
Answer:
The correct option is C. 5
Therefore,

Step-by-step explanation:
Simplify

Solution:
Using Identity

So in the given expression

Therefore,

Therefore,
