Answer:
50.3 is the circumference
Step-by-step explanation:
For the first question the answer is B. multiply 357.43 by 12 you'll get the answer $4,289.
-(11+sqrt(121-4*18))/2 = -(11 +sqrt(49))/2 = -9
Or
-(11-sqrt(121-4*18))/2 = -(11-sqrt(49))/2 = -2
D is the answer
