Question

Solve the following:
1. Simplify : (4x? - 5x? - 8x + 7) + (2x - 3x² + 9x? - 4) - (3x + 2x? - 9x?)
2. Simplify: (2-' x 4!) = 2.2
3. Find the height of the cylinder whose volume is 1.54m" and diameter of the base is 140cm?
4. A batch of bottle were packed in 25 boxes with 12 bottles in each box. If the same batch is packed using
20 bottles in each box, how many boxes would be filled?
5. Using identities evaluate:
i. 992
i. 5.22
6. Factories: X² + 16x + 60​

Answer 1

Step-by-step explanation:

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