Answer:
He spent $2.25.
Step-by-step explanation:
Multiply $9 by 3/4 and we get $6.75.
Now subtract $6.75 from $9.
We get $2.25
Answer:
7
Step-by-step explanation:
substitute 2 for x
3(2^2) - 5
3 * 4 - 5
12 - 5 = 7
Answer:
b. 56
Step-by-step explanation:
Please consider the complete question.
There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible?
We will use combinations for solve our given problem.
, where,
n = Number of total items,
r = Items being chosen at a time.
For our given scenario and .
Therefore, 56 different subcommittees are possible and option 'b' is the correct choice.
Option two N is greater than three