The points A, B, C and D lie in order on a straight line. AB : BD = 3:4

AC: CD = 3:2

Work out AB : BC: CD

Give your answer in its simplest form.

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Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided

Coal contains energy. a. light b. kinetic c. chemical d. mechanical

State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory