exam
Maths Puzzle
Numerical Ability
This problem is not in the book.
15/x - 15/x+2 =2 Can you help me solve this? Thanks Rhee
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exam Other Question
Complete the square and graph
y = -x^2 + 8x -12
Use either the fundamental counting principle or the permutation formulas (or both) to answer the following:
In how many different ways can you arrange the letters of the word COMPUTER taking 4 at a time?