Answer:
Option D is correct
Step-by-step explanation:
Alex has 7 textbooks.
=>The number of ways to place 4 out of 7 books on the shelf is 7P4.
=> Option D is correct
Hope this helps!
Answer:
An estimted 350 passengers.
Step-by-step explanation:
Let's estimate this sum: replacing 218 with 220 and 129 with 130, we have the simpler addition problem 220+130, which works out to 350 passengers (total on the two trains).
F,e and h,i are vertical angles i think.
Answer:
Confused as well
Step-by-step explanation:
If there are hypothetically 10 hours a day with 100 minutes an hour and 100 seconds per minute
at 6 pm there would be 18 hours gone in the day
18 normal hours are equal to 18*60*60 = 64800 seconds
(64800 seconds) / 10000 ( for hours)
6:48 would be the replacement time
but this answer is wrong bc it's not an option
