Assuming the +'s are actually x's  1/2 of 3 is 1.5 and 1.5 divided by 7 is 1.5/7.(answer is 1.5/7) hopefully I'm right.
        
             
        
        
        
Answer:-21
Step-by-step explanation:
3•(-7)
3 x -7=-21
 
        
             
        
        
        
2+sq root of 5
and the sum of zeros = 4
other zero =4-(2+sq root of 5)=2-sq root of 5
        
             
        
        
        
Answer: A. The expression is not in a standard form because it isn't repersenting a y-value.
B. No the expression is not equivalent to (3-4), (2-2) because the correct expression should be written with 30−6x
Step-by-step explanation:
 
        
             
        
        
        
Answer: 0.17584
Step-by-step explanation:
3.14*0.056=
3.14*0.05+3.14*0.006=
0.157+0.01884=0.17584