exam Maths Puzzle Numerical Ability

Can you please help me on this? Thanks I have no clue how to do it.

Find the missing coordinate to complete the ordered-pair solution to the given linear equation....

y=6x+5
(a) (0, )
(b) (3, )

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exam Other Question

a lab is testing two high-speed trains. One train travels 40 km/h faster than the other train. While one travels 70km, the other travels 60 km. Find their speeds.

Please break it down.. thanks Factor the expression, if possible.

36 a4 + 169b4

Please enter "prime ", if the expression cannot be factored.

The number 4 next to the "a" is suppose to be to the power 4 and so does the 4 next the variable "b"