Answer:
cos 2π is the same as cos 0 wich is 1
sin(π/2) is 1
the expression equals 0
The answer is the one at the bottom because the others don't make sense
Step-by-step explanation:
➷ 4 - 0 = 4
The answer is A. $4
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11
20 for first month. leaves 140. 140 ÷14 = 10
10+1 =11