Answer:
6
Step-by-step explanation:
6
Z-4/9-1/3=5/9
z-4 =5/9(9-1/3)
z-4 =4.414814815
z =8.814
Answer:
Mean = 4
Step-by-step explanation:

Box a should have 30 pieces of chocolate and box b should have 20 pieces of chocolate
Answer:
D=2r
Step-by-step explanation:
all u do is get the diameter os for d so lets say d is 3 it will be like 3=2r now u need is the radis u need to divide the diameter by 2 and thwre u go