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Mathematics, 27.12.2020 14:00 cindy437596

1. Find the VALUE of 7x + 3y, when x = 12 and y = -6. 2. Write 0.0000387 in STANDARD FORM.

3. Calculate the AREA of a CIRCLE with radius 5.1 cm. ( Correct to 2 decimal places)

4. EXPAND and SIMPLIFY: 6(2y - 3) - 5(y + 1)

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1. Find the VALUE of 7x + 3y, when x = 12 and y = -6. 2. Write 0.0000387 in STANDARD FORM.

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