Answer:
b = 10
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Navigation of the American Explorers - 15th to 17th Centuries
Seventeenth century travelers to Maine’s coast such as Samuel Champlain, George Waymouth, and John Smith carried state-of-the-art navigation tools for both dead reckoning and celestial navigation.
Navigation Tools for Dead Reckoning and Piloting
Invented in China in the 3rd century BC, the compass did not come to Europe until the 12th century AD. By the time of Columbus' voyage it was common. Instead of degrees, the compass card, on which directions were drawn or printed, showed the points of the compass, including north, south, east, and west. There are 32 points of the compass, the four main quadrants of the circle each divided into eight 11¼ ° points. Columbus noticed that, as one sailed across the Atlantic Ocean, the variation between magnetic north and true north changed. On future trips he used this to predict, roughly, his arrival in America.
Realizing how important tax research has become, LexisNexis developed a service exclusively for tax practitioners called the Lexis Tax Center.
<h3>What is
Tax ?</h3>
A tax is a mandatory financial charge or other sort of levy imposed on a taxpayer by a governmental organization to fund government spending and related public expenses, and taxation is a type of levy.
A tax deduction is a provision that lowers the amount of taxable income. A standard deduction is a single, fixed-amount deduction. Itemized deductions are popular with higher-income taxpayers because they frequently have considerable deductible expenses such as state/local taxes paid, mortgage interest, and charitable contributions.
The effective tax rate is the percentage of an individual's or corporation's income that is paid in taxes. Individuals' effective tax rate is the average rate at which their earned and unearned income, such as stock dividends, are taxed.
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