91Ó°ÊÓ

Find the least common denominator (LCD) of each pair of fractions. $$\frac{5}{7} \cdot \frac{7}{9}$$

Find each product. Write in simplest form. $$\frac{2}{x} \cdot \frac{3 x}{7}$$

Find the distance between each pair of points. Round to the nearest tenth, if necessary. $$Q\left(5 \frac{1}{4}, 3\right), R\left(2,6 \frac{1}{2}\right)$$

Write each fraction or mixed number as a decimal. Use a bar to show a repeating decimal. $$-\frac{5}{8}$$

Find the multiplicative inverse of each number. $$-\frac{1}{5}$$

Write each decimal as a fraction or mixed number in simplest form. $$0.4$$

Write each fraction or mixed number as a decimal. Use a bar to show a repeating decimal. $$7 \frac{3}{10}$$

Find the least common multiple (LCM) of each pair of numbers or monomials. $$21,28$$

Write each decimal as a fraction or mixed number in simplest form. $$5.22$$

Find the least common multiple (LCM) of each pair of numbers or monomials. $$14,28$$