Jack should invest $8400 in the CD account and $3600 in the savings account.
Step-by-step explanation:
Jack wants to earn 7.5% interest per year. That implies he wants to earn
7.5/100*12000 per year i.e $900 per year.
Lets assume he invests X amount in the savings account. That leaves 12000-X to be invested in the CD account.
That implies, 

=> 
=> 
=> X = 3600
 
        
             
        
        
        
−2 − (−6)
the minus negative becomes +
-2 +6
subtract the smaller from the larger and take the sign of the larger
6-2 =4
 the sign of the larger is +
+4
Answer: +4
 
        
             
        
        
        
Answer:
60 months
Step-by-step explanation:
f(m)= 2300 + 60 m
5900= 2300+ 60m
- 2300= -2300
3600/60 = 60m/60
60 = m
 
        
                    
             
        
        
        
Answer:
<h2>x = -1 and y = 7/5</h2>
Step-by-step explanation:

 
        
             
        
        
        
Answer:
150+4d=540.60         d=97.65
Step-by-step explanation:
4d=390.6
390.6/4=97.65
d=97.65