Simplify.
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Simplify.
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Simplify.
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Find the value of when = 6 and = 2.
= .................................................
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Simplify
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Simplify.
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Simplify .
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Simplify
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Simplify
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Calculate the value ofwhen = 3 and = 6.
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Find the value of when a = 4 and b = 5.
=.....................................
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Kyra has a faulty thermometer.
It always shows the temperature as 2°C higher than the actual temperature.
The temperature on the thermometer is °C.
Write an expression, in terms of , for the actual temperature.
............................................ °C
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Calculate the value of when and .
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Simplify.
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A pen costs 60 cents and a ruler costs 29 cents.
Write down an expression for the total cost, in cents, of pens and rulers.
........................................ cents
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Work out the value of when = 38.64, = 5.5 and = 3.7
= .................................................
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Simplify.
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Work out the value of a when = 35 and = 5.
= ...................................................
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Find an expression for the perimeter of this triangle.
Give your answer in its simplest form.
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