Answer:
F=−4c 2 +7c+5
Step-by-step explanation:
 
        
             
        
        
        
Lets make a known and an unknown chart:
KNOWN: Fifteen $5 bills.
UNKNOWN: How much is that?
So to find the answer to this, we are going to do 5+5+5+5+5+5+5+5+5+5+5+5+5+5+5=??
The answer is $75.
~Hope I helped!~
        
             
        
        
        
The answer for this question will be c. 28 square units.
        
             
        
        
        
Answer:
The answer is D, 
a(n) = 4/5 + 1/6(n- 1)
just took the test :)
Step-by-step explanation: