exam
Maths Puzzle
Numerical Ability
Ok, help,
Simplify the rational expression
x^2-3x-10/X^2-X-20
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exam Other Question
please help me with the conversion of the following:
1 cubic meter = ___ liters
1 liter = ___ cubic centimeters
thank you
Allen bought 30 stamps at the post office in 39¢ and 24¢ denominations.
If the total cost of the stamps was $9.90, how many 39¢ stamps did Allen buy?