Answer:
1st row =-4
2nd row = 2,-2(from left)
3rd row= -2,-1,2
4th row= -2,1,-1,-2
5th row = 2,-1,-1,1,-2
Answer: Cos13= 9/x x is about 9.2
Step-by-step explanation: cos13 =about .97 9/9.2=.97
2300 is ur answer.............
12 A . my guess would be to divide 2175 by 18 which would give you 120.83