Answer:
1-B
2-C
3-D
Step-by-step explanation:
In the attached file
$8.22, 1.14f + 1.22d
21 units²
A=1/2bh
b=6
h=7
1/2(6)(7)=
1/2(42)=
1+1
2+2
3+3= 12
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