I'm sorry, do you have any more detail. i'm not sure what this means?
Answer:
21 in.
Step-by-step explanation:
The radius is half of the diameter. The diameter (as shown) is 42 inches. Divide that by two to get 21 in.
Answer: I believe you answered your own question 21.
Step-by-step explanation: Logan will drive 7×3 or 21miles in 7 hours
7 days I think sorry if I’m wrong
the answer to this is x= -1