Concept explainers
a. Write two equivalent expressions , each using only the number 9,5 and 3 , for the unknown length (?) On the left of figure 9.22 . One of your expression should involve parentheses , explain briefly .
b. Write two equivalent expressions for the unknown length (?) On the right of figure 9.22 . One of your expression should involve parentheses . Explain brieflyn
Figure 9.22 write equivalent expressions arising from the unknown english
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