Pasta costs £1.50 per kg.
How much does 600g of pasta cost?
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Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.