Answer:
7 degrees
Step-by-step explanation:
The temperature starts at -5. It rises 20 degrees so that means it is now 15 degrees. It decreased 8 degrees so now it is 7 degrees.
The main thing you are doing is adding and subtracting
 
        
             
        
        
        
Answer: 3/10 
Step-by-step explanation: by adding the number of coins up you get 10 coins, then minus how many pennies and nickels there are then it comes out with a proper fraction, no simlifying needed :)
 
        
             
        
        
        
Answer:
$8,440
Step-by-step explanation:
5.5% of 8,00 = 440
8,000 + 440 = 8,440
 
        
             
        
        
        
Answer: x=r^2
+
10
r
+
25