exam
Maths Puzzle
Numerical Ability
Use the properties of addition and multiplication to complete the statement.
18 • 4 = 4 • ____
Not sure how this is done at all, help please.
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"A box with a square base and no top is to be made from a square piece of cardboard by cutting k in. squares, where k = 3, from each corner and folding up the sides, as shown in th
Solve in tems of x?
3^(x/2) + 2^x > 25