91Ó°ÊÓ

Complete statement with the correct term from the following list. a) Directly b) Inversely c) Jointly d) LCM e) Product f) Ratio To clear fractions, we can multiply both sides of an equation by the _____.

Salma swam 2 laps in 7 min and 6 laps in 21 min.

Find the least common multiple of each pair of polynomials. $$ 8 x^{2}, 12 x^{5} $$

Perform the indicated operations. Simplify when possible $$ \frac{8}{9 y}-\frac{5}{18 y^{2}} $$

The YMCA calculates men's body-fat percentage \(p\) using the formula $$p=\frac{-98.42+4.15 c-0.082 w}{w}$$ where \(c\) is the waist measurement, in inches, and \(w\) is the weight, in pounds. Solve for \(w\).

Find the variation constant and an equation of variation if y varies directly as \(x\) and the following conditions apply. \(y=30\) when \(x=5\)

Find the variation constant and an equation of variation if y varies directly as \(x\) and the following conditions apply. \(y=80\) when \(x=16\)

Do addition, subtraction, and multiplication of polynomials always result in a polynomial? Does division? Why or why not?

Weight on Mars. The weight \(M\) of an object on Mars varies directly as its weight \(E\) on Earth. A person who weighs 95 lb on Earth weighs 38 lb on Mars. How much would a \(100-\) -lb person weigh on Mars?

At what time after 4: 00 will the minute hand and the hour hand of a clock first be in the same position?