Rationalize the denominator of the expression.
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What will be an ideal response?



Mathematics

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Find the following. Assume that letters can represent any real number.

A.
B.
C.
D. a + b

Mathematics

Rationalize the denominator. Assume that all variables represent positive real numbers.

A.
B.
C. 8
D.

Mathematics

Fill in the blank with one of the words or phrases listed below. The  are 0, 1, 2, 3, . . .

A. whole numbers B. place value C. factor D. digits

Mathematics

Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.0.1x + 0.6y = 20.8x - 0.1y = 6.2

A. (8, 2) B. (80, 20) C. (2, 8) D. (0.8, 0.2)

Mathematics