Answer:
x = 20
Step-by-step explanation:
15/9 = x/12
180 = 9x
x = 20
His average is 4.2 seconds. hope it helps
Answer:
If im not wrong, just multiply wxlxh, for all sides, and you get 1260.
Step-by-step explanation:
Answer:
i dont know it sorry
Step-by-step explanation:
Answer: 4xr+10
Step-by-step explanation: