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;

Any answer choices for the question???
Answer: $255
Explanation: Multiply 300x15% to find the amount of money discounted which is $45. Then subtract the $45 from the $300 to get $255. Hope this helps!
A = 81 square in.
s = sqrt(A)
s = sqrt(81)
s = 9 in.