Answer:


Step-by-step explanation:
Given
Attached number lines
Required
Express as: 
The two points on the number line represent x and c (in no particular) respectively.
Solving (a):
Let:


So:


Solve the expression in the absolute bracket

Remove absolute bracket

So: the expression is;

Solving (b):
Let:


So:


Solve the expression in the absolute bracket

Remove absolute bracket

So: the expression is;

When a number is next to a variable multiply so you problem really is 2(?)=60
Answer:
D) $8.20
Step-by-step explanation:
82 x 0.1 = 8.2

- a number

- its square

- the sum

- less than or equal
negative three - I don't have to explain this one, do I?

- the sum of a number and its square is less than or equal negative three
It must be 6 since the length sides r doubled and it's similar