Answer:
A=1/2b×h
28.8=1/2b×7.2
28.8=3.6b/ ÷3.6
<em><u>b</u></em><em><u>=</u></em><em><u>8</u></em>
Answer: it’s B
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Step-by-step explanation:
$843.44
1,203.44-300=903.44
903.44-60=843.44