Answer:
B. 645−5√7
Correct me if iam wrong
It is 10:12
5:6 is simplified
k-4/3= 3
Mutiply both sides by 3 .
(3)(k-4/3)= (3)(3)
Cross out 3 and 3 , divide by 3 and then becomes k-4= 9
Move -4 to the other side
Sign changes from -4 to +4
k-4+4= 9+4
k= 13
Answer: k= 13
b. Principal: the amount of money you initially invested
2inches=5.08cm
TSA of cylinder=2πr(r+h)
2×22/7×5.08(5.08+5.08)
6×5.08×10.16
324.42cm^3