Find the value of a and c if 9 b -762-672A- b-140B- b-143C- b-160D- b-142

The correct option is B b=1439b =76^2+67^2 ⇒ 9b =(76 76)(76+67)=9 × 143 ⇒ 9b =9 × 143 ⇒ b =143. ...

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Finding the Square of a Number

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Question

Find the value of a and c if
$9 b = 76^{2} - 67^{2}$

b = 140

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b=143

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b=160

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b= 142

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