91Ó°ÊÓ

\(\frac{6 x}{5} \cdot \frac{1}{x}\)

\(\frac{x^{2}}{x^{2}+3 x-10}\)

Average Speed One speed skater travels 3192 meters in the same amount of time that it takes a second skater to travel 2880 meters. The average speed of the second skater is \(1.3\) meters per second less than the average speed of the first skater. What is the average speed of each skater?

Serve Percentage A volleyball player successfully serves the ball 26 times out of 32 attempts. How many additional consecutive times must the player serve the ball successfully to obtain a serve percentage (in decimal form) of \(0.900\) ?

Common Factors Describe how to divide out common factors.

Writing Define the reciprocal of a rational expression.

Least Common Multiple Explain how to find the least common multiple of two or more polynomials. Give an example.

\(x^{3}-x^{2}+4 x-4\)