exam
Maths Puzzle
Numerical Ability
If x2 - 13x + 42 = (x + A)(x + B), then A + B =
-42
-1
13
42
none of these
thank you
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exam Other Question
My son and I need help
Can you tell us how to solve this problem?
V=Pi r^2 h solve for r.
Please help me figure out how to do this problem. Thanks
sqrt(x+13) =5