Answer:
c
Step-by-step explanation:
because i am smart

Yesterday's price is the original price or the old price.



%
Rounding to the nearest tenth means round to one decimal place.
This will give us,
0.7% decrease in price.
Therefore between yesterday and today, there was a 0.7 percentage decrease in price.
Answer:
57x = 1311
x = 23 hours
Step-by-step explanation:
I don't know how you would model this with two equations but the answer is 23 hours.
Answer:
This individual is part of a clique which is part of a
social network
Step-by-step explanation:
hope it helps .
9 students, 4 are selected and order doesn't matter:
Go to the 9th row of the triangle (mind you the first row is 0), the 2nd is 1st row
9th row: 1 9 36 84 126 126 84 36 9 1
Now choose the 4th column (excluding the 1st , you will get 126 :
so 126 is the number of combination requested:
PROOF: ⁹C₄ = 9!/(9-4)! .4! = (9!)/5!.4! = 126