Change the fraction to an equivalent fraction with the given denominator.
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What does it mean by solve the exponential equation for x?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Write as a product: ac^2–ad+c^3–cd–bc^2+bd