exam
Maths Puzzle
Numerical Ability
sqrt (5x^2-9=2x)
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exam Other Question
A line passing through (11, 3) and (10, y) is parallel to a line with slope -2. What is the value of y?
A collection of quarters and dimes is worth $6.75. The number of dimes is 4 less than three times the number of quarters. How many of each are there?
I am confused as to how I would write this out, and solve it.
Please help.