exam
Maths Puzzle
Numerical Ability
The sum of two numbers is 84. The second is 9 more than 4 times the first. What are the two numbers?
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exam Other Question
Find the midpoint between the points (7, -7) and (-3, -3).
How do you find the term that should be added to the expression to make a perfect square trinomial?
x^2 + 11x
x^2 + 4/5x
how?