48 = 2*2*2*2*3
84 = 2*2*3*7
Looking for common factors we get the GCF to be 2*2*3 = 12
Its B
        
             
        
        
        
Answer:
.18
Step-by-step explanation:
180 grams = .18 kg
 
        
             
        
        
        
Answer:
x=+/-3
Step-by-step explanation:
x^4-5x^2-36=0
factor
(x^2-9)(x^2+4)=0
split into 2 equations because one of these terms will need to equal zero for the eqation to be true
x^2-9=0              x^2+4=0
x^2=9                    x^2=-4
x=+/-3                    no real numbers
 
        
             
        
        
        
Answer:
$5.40
Step-by-step explanation:
To find the increase we need to consider our variables.
Current Rate = $4.50
Increase Percentage = 20% or 0.20
Now we can find the new rate by multiplying the Current Rate to the Increase Percentage and add it to the Current Rate again.
Total Price w/ Increase = ($4.50 x 0.20) + $4.50 
Total Price w/ Increase = $0.90 + $4.50 
Total Price w/ Increase = $5.40