Answer:
0
Step-by-step explanation:
 
        
             
        
        
        
If you want to solve the equation 

for C, you can work like this: subtract P from both sides:

Add C to both sides:

 
        
             
        
        
        
Answer:
24.6 % decrease
Step-by-step explanation:
Let x be the original temperature
Increase by 25%
x + .25x
1.25x
Decrease by 40%
The amount decreased is
(1.25x) *.40
.496x
Subtract that from 1.25x
1.25x - .496x
.754x
We need to find the percent decrease
1 - .754 = .246
24.6 % decrease
 
        
                    
             
        
        
        
Answer:
A) -1.7 x 10^-4 D)-0.00017
Step-by-step explanation:
Since its negative in the base B and C wont work. The negative in the exponent means the decimal moves left which exclude E.
 
        
             
        
        
        
Answer:
6u + 72
Step-by-step explanation:
6(u + 12)
Distribute 6 to u and 12
6(u) + 6(12)
6u + 72