it will be d i hope this helps have a good day!!!
Answer:

Step-by-step explanation:
11 meteres per second could’ve the fastest he could travel
it is 20 because you have to do 4+4+6+6
Answer:
21 3/4
Step-by-step explanation:
3 times 7 1/4 since the scale is 1:7 1/4. Good luck!! :)