Answer:
or 
Step-by-step explanation:
Given

Required
Find the possible values fo x

Square both sides


Equate to 0

Expand

Factorize:


Split:
or 
or 
or 
Answer:
They paid 16 3/4% tax
Step-by-step explanation:
9%+1 3/4%+6%=16 3/4%
Answer - 3
B = 36/ (12-9*5)
B = 36/ (12- 45)
B = 36/ (-33)
E = N/A
D = 3
M = N/A
A = N/A
S = N/A