What grade did you achieve?

I achieved an A in O level Mathematics.

RA

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Alex wants to buy a new phone. It costs £280. Alex’s weekly wage is £420. He saves 15% of his wage each week. How many weeks does it take Alex to save enough money to buy the phone?


x = 0.045 (45 recurring). Prove algebraically that x can be written as 1/22


root3 (root6 + root12) can be written as Aroot2 + B


Solve: x^2+x-6=0