Answer:
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Step-by-step explanation:
6.1
Taking cos function,
Cos C=BC/AC
Cos 35°=5/a
a=5/cos 35°
a=6.1
C
C is congruent to A
Ellen bought 2700 paper clips.
Total boxes=18
Paper Clips in 1 box=150
Total paper clips=18×150
=2700