Answer:
d, To undo addition, you can use multiplication
Step-by-step explanation:
a, To remove a whole number next to the variable, multiply both sides by that number
 
        
             
        
        
        
Circumference of Circle = 2πrArea of circle = πr²144 = 3.14 * r²r² = 144/3.14r² = 45.85r = √45.85r = 6.77 Circumference = 2πr = 2*3.14*6.77Circumference = 42.51 m²
So, your answer is 42.51 m²
        
             
        
        
        
Answer:
Rhombus,and pentagon 
Step-by-step explanation:
a rhombus has only obtuse or acute angles same with the pentagon.
 
        
                    
             
        
        
        
Answer:
it is option 3
Step-by-step explanation:
-4(5p+3) 
by opening brackets, you get
-20p -12