91Ó°ÊÓ

Find each of the following products. (Multiply.) $$\frac{3}{4} \cdot 9$$

Add and subtract the following mixed numbers as indicated. \(9 \frac{1}{6}+2 \frac{5}{6}\)

Find each of the following products. (Multiply.) $$\frac{2}{3} \cdot 5$$

Find the following sums and differences, and reduce to lowest terms. (Add or subtract as indicated.) $$\frac{x}{8}-\frac{1}{8}$$

Identify each of the numbers below as either a prime number or a composite number. For those that are composite, give at least one divisor (factor) other than the number itself or the number 1. $$219$$

Write your answers as proper fractions or mixed numbers, not as improper fractions. Find the following products. (Multiply.) $$3 \frac{1}{2} \cdot 2 \frac{1}{6}$$

Find the quotient in each case by replacing the divisor by its reciprocal and multiplying. $$\frac{3}{4} \div(-2)$$

Write your answers as proper fractions or mixed numbers, not as improper fractions. Find the following products. (Multiply.) $$2 \cdot 4 \frac{7}{8}$$

Name the denominator of each fraction. $$\frac{2}{5}$$

Use the rule for order of operations to simplify each of the following. [Examples 1–3] $$\left(\frac{2}{9}+\frac{1}{3}\right)\left(\frac{1}{5}+\frac{1}{10}\right)$$