Step-by-step explanation:
- (x²y)(x³y⁴)
- x²y×x³y⁴
- x²×x³×y×y⁴      
- x^2+3×y^1+4
- x⁵×y⁵               
- x⁵y⁵
 
        
             
        
        
        
Answer:
C. m<1 + m<5 = 180  (reason: they are consecutive angles, and should be congruent)
 
        
                    
             
        
        
        
Answer:
In the procedure
Step-by-step explanation:
we have
<em>System 1</em>
Ax+By=C -----> equation A
Lx+My=N -----> equation B
<em>step 1</em>
Multiply equation B by -1 both sides
(-1)*(Lx+My=)N*(-1)
-Lx-My=-N ------> equation C
<em>step 2</em>
Adds equation A and equation C
Ax+By=C 
-Lx-My=-N
----------------
Ax-Lx+By-My=C-N
(A-L)x+(B-M)y=C-N -----> equation D
step 3
An equivalent system (System 2) is formed with 
Ax+By=C -----> equation A
(A-L)x+(B-M)y=C-N -----> equation D
 
        
             
        
        
        
If the weight of the boxes that Caleb lifted is equal to c, then each box that Sergio lifted weighed c + 10. The total number of pounds that Sergio lifted is equal to the product of the number of the boxes and the weight. That is,
                                12(c + 10)
Thus, the answer is letter C.