Answer:
c)
Step-by-step explanation:
x - 2 ---------------> members in the band with the absentees.
So, x will give the number of members in the band
Answer: 
Step-by-step explanation:
1. By definition, if
when
, then:

2. Keeping this on mind, to find the value of
when
, you must apply the following proccedure:

3. Now, you must solve for
, as following:

4. Then, the result is:

Answer:
72% = 72/100 = .72
Step-by-step explanation: