Answer: x=12
Step-by-step explanation:

The sum of the angles of the triangle is 180°:

Divide both parts of the equation by 4:

 
        
             
        
        
        
Hey there! :D
Make an algebraic expression. 
Let the 'number' equal x. 
4x-24= 60
Add 24 on both sides. 
4x= 84
Divide both sides by 4. 
x=21
The number is 21. 
I hope this helps!
~kaikers 
        
             
        
        
        
Answer:
y+2 = -4/5(x-3)
Step-by-step explanation:
The point slope form of a line is 
y-y1 = m(x-x1) where m is the slope and (x1,y1) is the point
y - -2 = -4/5(x-3)
y+2 = -4/5(x-3)
 
        
             
        
        
        
Answer:
$95.17
Step-by-step explanation:




 
        
             
        
        
        
Volume of triangular prism + volume of rectangular prism = total volume
16*4*6+1/2*12*9=V
438=V
The volume of the figure is 438ft²