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B. Directions: Read each item carefully. Write the letter of the correct answer on your paper. 1. Any letter or symbol that represents a number is called A. Constant B. Variable C. Equation D. Expression 2. What is an algebraic expression? A. Mathematical phrase that uses variables, numerals, and symbols B. Mathematical phrase that do not use variables C. Mathematical phrase that only use variables D. Mathematical phrase that uses variables and symbols 3. Translate to algebraic expression: Eighteen less than half a number. a A. Yn - 18-Eighteen less than half a number B. % n - 18-Eighteen less than half a number c. n - 18-Eighteen less than half a number D. Yn - 18-Eighteen less than half a number 4. Illustrate this word phrase into algebraic expression: The sum of a number and 5 is twelve. A. a number plus five is twelve 5 12​

Sagot :

Answer:
1. B
2. A
3. C
4. a + 5 = 12

Explanation:
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