- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.