C r = (n!)/(r!(n-r)!)
9 C 3 = (9!)/(3!*(9-3)!)
9 C 3 = (9!)/(3!*6!)
9 C 3 = (9*8*7*6!)/(3!*6!)
9 C 3 = (9*8*7)/(3!)
9 C 3 = (9*8*7)/(3*2*1)
9 C 3 = (504)/(6) 9 C 3 = 84
$1.98 divided by 2 is $0.99
So the sale price is $0.99
Answer:
-5x+5
Step-by-step explanation:
i just got this question
Answer:
4pi r
Step-by-step explanation:
