exam Maths Puzzle Numerical Ability

Write the equation of the line through [-17/3, 8/5] that is parallel to the x-axis.
* -17/3x+8/5y=0
* y=-17/3x+8/5
* x=-17/3
* y=8/5

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exam Other Question

Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? I am going back to school after 14 + years of being out, seems as if I have lost most of my knowledge about algebra I am in need of some help solving this problem below

Graph y=5x - 2

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