91Ó°ÊÓ

Factor each of the following numbers into the product of two numbers, one of which is a perfect square. (Remember from Chapter 1, a perfect square is \(1,4,9,16,25,36, \ldots\) etc. $$121$$

Find each of the following sums and differences. (Add or subtract.) $$4 \frac{27}{100}+6 \frac{3}{10}+7 \frac{123}{1,000}$$

To understand how to multiply decimals, we need to understand multiplication with whole numbers, fractions, and mixed numbers. The following problems review these concepts. $$403(522)$$

Write each fraction as an equivalent fraction with denominator \(15 x\). $$\frac{2}{3}$$

The problems below review some of the material on solving equations. Reviewing these problems will help you with the next section. Solve. $$3(x-2)=6$$

The problems below review material involving fractions and mixed numbers. Perform the indicated operations. Write your answers as whole numbers, proper fractions, or mixed numbers. $$\frac{5}{7} \cdot \frac{14}{25}$$

The problems below review some of the material on solving equations. Reviewing these problems will help you with the next section. Solve. $$3(y-4)+5=-4$$

To understand how to multiply decimals, we need to understand multiplication with whole numbers, fractions, and mixed numbers. The following problems review these concepts. $$5(420+3)$$

Write each fraction as an equivalent fraction with denominator \(15 x\). $$\frac{4}{x}$$

Write the fractions in order from smallest to largest. $$\frac{3}{8} \quad \frac{3}{16} \quad \frac{3}{4} \quad \frac{3}{10}$$