The answer is either 257,600 or 257,700. I think you need to round up to 127,700.
Answer:
(a) 495, (b) 210
Step-by-step explanation:
Total number of persons = 12
number of openings = 8
number of women = 7
number of men = 12 - 7 = 5
(a) Number of ways to select the 8 persons

(b) Three are men
So, 3 men and 5 women
The number of ways are

Answer:
1.25/1.5
Step-by-step explanation:
height (rise) 1.25m
Width (run) .3m per stair
5 stairs x .3m per stair= 1.5m
Rise/run= 1.25/1.5
Answer:
8 in
Step-by-step explanation:
In a cube, the length, width, and height are all the same.
He burns off 750 calories every 3 hours. 250 multiplied my 3 is 750. 3 being the hours and 250 being the calories burned every hour