Answer:
![{ \sf{y = x + { \green{[ \: \: ]}}}}](https://tex.z-dn.net/?f=%7B%20%5Csf%7By%20%3D%20x%20%2B%20%7B%20%5Cgreen%7B%5B%20%5C%3A%20%20%5C%3A%20%5D%7D%7D%7D%7D)
• when y is 0, x is 5
![{ \sf{0 = 5 + { \green{[ \: \: ]}}}} \\ \\ { \sf{ \green{[ \: \: ]}} = - 5}](https://tex.z-dn.net/?f=%7B%20%5Csf%7B0%20%3D%205%20%2B%20%7B%20%5Cgreen%7B%5B%20%5C%3A%20%20%5C%3A%20%5D%7D%7D%7D%7D%20%5C%5C%20%20%5C%5C%20%7B%20%5Csf%7B%20%5Cgreen%7B%5B%20%5C%3A%20%20%5C%3A%20%5D%7D%7D%20%3D%20%20-%205%7D)
• therefore relationship is:

Answer:
Step-by-step explanation:
(A-B)U (A∩B) [ We know that difference of A and B is A∩B')
A∩B')U(A∩B)
A∩(B'UB) (Using Distributive law)
A∩(U) [ Union of a set and its complement is always a universal set]
A Hence proved
Answer:
Step-by-step explanation:
A) The dealer bought Birr 8000 at 7% tax.
Total amount to be paid = cost price (1 + r%)
r = 7% = 0.07
Total amount to be paid 
B) To find the VAT, it is the difference between the tax paid when the good was bought and the tax put on it after it was sold.
Tax paid when the shoes were bought = 7% of cost price

Tax paid when the shoes were sold = 9% of selling price

VAT = tax recovered on sale - Tax paid on purchase

Answer:
see below
Step-by-step explanation:
The circumference of a circle is given by
C = 2*pi*r
C = 2* pi *3
C = 6 pi
The value depends on whether you use 3.14 for pi or the pi button
3.14 = 18.84
pi button 18.85