Answer:
120 ways
Step-by-step explanation:
Since no girl wil sit either first or last
Hence, in all irrespective whether boy or girl = (6 - 1)! = 5! = 5 X 4 X 3 X 2 = 120
∴ Number of arrangements = 120 ways
Answer:
(7,9)
Step-by-step explanation:
Use the midpoint formula to find the midpoint of the line segment.
876 rounded to the nearest 10 is 880
X+y=31 So, x=31-y
x+3y=85
31-y+3y=85
31+2y=85
2y=54
y=27
x+3×27=85
x+81=85
x=4
