exam
Maths Puzzle
Numerical Ability
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo?
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exam Other Question
Please help find the slope and y intercept of y = -3/8x + 7
Thank you
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