Answer:
d=4.
Step-by-step explanation:
160/40=4, therefore d=4.
The square root of 121 is 11
The elapsed time is B, 2 hours and 25 minutes.
Answer:
3
Step-by-step explanation:
so you can see it more boldly
explained in the comment thing.
Answer:
20260275
Step-by-step explanation:
the question is same as selecting 4 things from 150 things
= C(150,4). (nCr formula)
=[150×149×148×147]÷[4×3×2×1]
= 49×75×149×37
= 20260275
