Answer:
165 ways
Step-by-step explanation:
Selection deals with combination
There are a total of 11 from which 3 are to be selected
11C3 = 11!/3!(11-3)!
= 11!/(3!x8!)
=(11x10x9x8!)/(3x2x8!)
=11x10x9/6
=11x5x3 = 165 ways
Eg is half the length of ac
The third option since they both will cross at 5-10 on the graph
Step-by-step explanation:
Represent Diego's age by d. Then 9d=144.
