exam
Maths Puzzle
Numerical Ability
srry lost my other account password the ones next to each other are all one problem
x=y+1 x+2y=7
3x-y=2 y=2x-9
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exam Other Question
simplify
5 sqrt 5 - sqrt 20
The deepest part of the lake is indicated by the unknown depth on diagram. Based on the 5 depth measurements above the mean (average) depth of the lake is 46 feet. What is the me