It is the second one, because of pemdas
Answer:
38°
Step-by-step explanation:
a²=b²+c²-2bc cos A
5²=3²+7²-2(3)(7) cos A
-33 = -42 cos A
A =
(-33/-42)
A = 38°
The answer would be A. Tammy's initial pay was $10
Hope this helps you out!
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Answer: $67.20
Step-by-step explanation:
56 × 0.2 = 11.2
11.2 + 56 = $67.20