exam
Maths Puzzle
Numerical Ability
Construction: Concrete weighs 150 lb/cu ft.
What is the weight of a concrete wall 18 ft long, 4 ft 6 in high and 8 in thick?
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exam Other Question
Is the following statement true or false and why?
Three noncollinear points determine two lines.
5=6x-y graph linear
please show me how this is done.. thanks