exam
Maths Puzzle
Numerical Ability
insert one set of parentheses in the expression 2n-3+4n+6n+1 so that it is equivalent to 12n-5.
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exam Other Question
x/2-18/x+5/2=0
A roof rises 7.5 ft over a horizontal distance of 12.27 ft. What is the slope of the roof to the nearest hundredth?