Chapter 2: Problem 23
Find the sum. $$19+0$$
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RECIPROCALS Find the reciprocal. $$ 1 $$
SIMPLIFYING EXPRESSIONS Simplify the expression by combining like terms. $$ -8 b-9 b $$
Evaluate the expression. $$ [(12 \cdot 9) \div 6]-13.5 $$
FREIGHT TRAINS A train with 150 freight cars is used to haul two types of grain. Each freight car can haul 97.3 tons of barley or 114 tons of corn. Let \(n\) represent the number of freight cars containing corn. Which function correctly represents the total weight the train can haul? $$ \text { A. } W=97.3(150-n)+114 n \quad \text { B. } W=97.3 n+114(150-n) $$
DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ -9(-t-3) $$
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