The answer is C
By the way, that expression means "n choose k". Hope I helped!
Answer: Sasha
Step-by-step explanation:
carlos- 54 divided by 25 equals 2.25 dollars for each gallon
sasha- 31.25 divided by 15 equals 2.083333(3 repeats)
They are both really close on price, but sasha's is cheaper
Answer:
What do you mean
Step-by-step explanation:
I don’t understand
Answer:

Step-by-step explanation:
First FOIL (n + 7)(n + 8) and then distribute n
(n + 7)(n + 8) = 
n (
)
= 
Answer:
8 times 5 on each side
Step-by-step explanation: