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Maths Puzzle
Numerical Ability
V=3.14rsquared h solve for h
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9k=10-k,-1 is this a solution of the equation
I need HELP!
1. 6 = 2y - y + 4 4. 3(7 - 11) = y - 5
2. 4 - 9 = a - 1 + 14
3. -23 + 8 + x = -2 + 13