The answer is C.
Here's why, nPr = n!/(n-r)!. Plug in 7 for n and 3 for r. And you get 7!/(7-3)!.
Thus, 7!/4! = (7*6*5*4*3*2*1)/(4*3*2*1), which simplifies to 7*6*5 = 210
Answer:
∠Y= 120
Step-by-step explanation:
6+4/4 + 3/3 (substitute variables)
10/4 + 3/3 (add 6+4)
5/2 + 1 (Simplify fractions)
2 1/2 + 1 (Write improper fraction as proper fraction)
3 1/2 (add)
Answer: 3 1/2 (three and a half)
What exactly do you want to know? make it clear??
Answer: 26
Step-by-step explanation: he will have 4 red fish 15 black fish then you add them together 4+7=11 11+15=26