exam Maths Puzzle Numerical Ability

factor to the nearest tenth

x^2+7xy-18y^2

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exam Other Question

2( x+3) = 10 4x - 2x + 3 = 2 x + 2 x - x An old-fashioned toaster will toast two slices of bread at once, but it can only toast one side of each slice of bread at a time. You like each side toasted for exactly one minute. How can you toast three slices of bread in three minutes?