- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet.A guard tower ... (Read 115 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.