Each team needs two people for a 3-legged race.
Therefore, the number of orders (combinations) of 2 people at a time from 8 is
₈C₂ = 8!/(2!6!)
= (8*7*6!)/(2*6!)
= (8*7)/2
= 56/2
= 28
Answer: 28
Answer:
The answer is option d-13 movies per month
Step-by-step explanation:
the reason is that is the first point on the graph that is above the price of the cost of the monthly unlimited movies
Answer:
Therefore the friends will have to buy 511 feet of fence (rounding up) or 510 feet of fence ( to the nearest foot).
Step-by-step explanation:
i) perimeter of rectangular yard = 319 feet
ii) perimeter of yard of friends 
iii) Therefore the friends will have to buy 511 feet of fence or 510 feet of fence ( to the nearest foot).
It’s A). x=20 y=128.
do you need the work?
The answer is A. because the first part shows the ratio 3:2 and the other 2 shows equivalent ratios.