Answer:
-8x-2y
Step-by-step explanation:
Combine Like Terms (-6x + -2x) and (-5y + 3y).
 
        
                    
             
        
        
        
Answer:
B (5/8 - 6/8)
Step-by-step explanation:
Since we can just multiply the second fraction by two to get a similar denominator, we just need to multiply the second fraction. 
 
        
                    
             
        
        
        
Answer:
a ) 400 percent
b )  n = 25
c)  n= 36
Step-by-step explanation:
Is means equals, of means multiply and percents need to be changed to decimals.
a) 120 is what percentage of 30
120 = P * 30
Divide each side by 30
120/30 =P* 30/30
4 = P
Multiply by 100 to give the percentage
4 * 100 
 400 percent
b) 30 is 120% of what number
30 = 1.2 * n
Divide each side by 1.2
30/1.2 = 1.2n/1.2
25  = n
c) what number is 30%of 120
n = .3 * 120
n =36
 
        
                    
             
        
        
        
Answer:
The answer is 1.
Step-by-step explanation:
You need to evaluate the expression inside the parentheses.
(-3 + 5)⁰
= (2)⁰
= 1
According to the rule, any number raised to the power of 0 is always equal to 1.