Answer
12x+40
Step-by-step explanation:
when distributing, you have to multiply all numbers in the parentheses by the variable outside the parentheses
 
        
                    
             
        
        
        
4.3 repeating 
Hope this helps.
        
             
        
        
        
5x⁴ - 3x³ + 6x) - (3x³ + 11x² - 8x)<span>
</span>Expand the second bracket by multiplying throughout by -1
5x⁴ - 3x³ + 6x - <span>3x³ - 11x² + 8x
</span>
Group like terms and simplify 
5x⁴ - 3x³ - 3x³ - 11x² + 6x <span>+ 8x
</span>5x⁴ - 6x³ - <span>11x² + 14x</span>
        
                    
             
        
        
        
The answer is B because the quantity tends to stay the same as the sample goes up
        
             
        
        
        
The answer is B. y =  0.75 + 2.25. because i've done this assement.