Answer:
4th option
Step-by-step explanation:
7x(8x² - 4y² + 3y - 5) ← multiply each term in the parenthesis by 7x
= 56x³ - 28xy² + 21xy - 35x
 
        
             
        
        
        
Answer:
D, m<4 is 137°
Step-by-step explanation:
The answer would be D, because m<4 would be supplementary with the angle that's 43 degrees. Supplementary angles add up to 180, so this could be found through the following equation.
x + 43 = 180
x would represent <4
You would now subtract 43 from both sides.
x = 137 
 
        
                    
             
        
        
        
Answer:
3.20
Step-by-step explanation:
Intercept form of a line : Y = mx + b
 m = y2 - y2 / x2 - x1 ....use this to find the slope whenever 2 points are given.
In this case it's directly given.
 
        
             
        
        
        
Answer:
audrey is correct 
Step-by-step explanation:
beacuse if it would be trupets to saxophones it would be 21:14 and audrey's ratio it equivalent to 21:14