Set Up an Equation and Solve the Problem

question 194

Short Answer

Set up an equation and solve the problem. 81 less than the square of a number equals zero. Find the number. Please enter your answer as two numbers, separated by a comma.

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Definitions:

Numbered Units

Quantitative values assigned to items or units in order to denote quantity, order, or position.

Youngest

This term relates to the latest or most recently developed strata or earth materials in geological studies.

Ocean Basins

large depressions on the Earth’s surface that are filled with ocean water.

Continents

Large continuous areas of land on Earth, which are currently identified as seven in number, including Africa, Antarctica, Asia, Australia, Europe, North America, and South America.