exam Maths Puzzle Numerical Ability

Complete the the given ordered pairs for the queations and graph the equations: What are the correct steps to solve. Help

X-Y=3
(0,),(_,0)
(5,),(2,_)

6x-5y=30
(o,),(_,0)
(3,),(_,-2)

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exam Other Question

assume the x is positive. log(x+6)-log x as the logarithim of a single quanity. Can you help me with these problems.

1. Simplify: 5 √2 - √2

2. Divide: 3^8/3^4

3. Simplify: (a^-4) ^5

4. Find the value of: 4xy^2 + 3x^2y^3 when x=-1 and y=