Step-by-step explanation:
diameter is 84 thereare 2 time 42 .84.
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This would be the answer for factoring n=-4/7-6
1/4t + 9 = 3
Subtract 9 from both sides
1/2t= -6
Divide 1/2 on both sides so that the only thing remaining on the left side is the variable t.
Final Answer: t= -12
