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Answer:
A, B, and D good luck
Step-by-step explanation:
Use the following identity:
cos(2x)=1-2sin^2(x)
So I would first find out when they are equal then do one more than that. 21x=18x+45, 3x=45, x=15 so the answer would be 16 jerseys
Answer:
3,4
Step-by-step explanation:
