8. Henry diberi tiga alat pengukur, iaitu P, Q dan R. Yang manakah boleh digunakan untuk mengukur ketebalan seutas wayar dengan lebih tepat dan jitu? Mengapa?
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For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Explain how you can show five less than a number using an algebraic expression

Simplify by combining the like terms 3.5y+y+9+1