Let's simplify step-by-step. 
2/
5
y−4+7−
9
/10
y
=
2
/5
y+−4+7+
−9
/10
y
Combine Like Terms:  =
2
/5
y+−4+7+
−9
/10
y
(2
/5
y+
−9
/10
y)+(−4+7)
=
−1
/2
y+3
Answer:  =
−1
/2
y+3
Hope I could help! :)
 
        
             
        
        
        
6p+p+2-3=8p-8
7p-1=8p-8
1=1p-8
7=1p
p=7
        
             
        
        
        
Answer:
D. (7^2 X2) x 4
The equation inside the parenthesis finds the volume of one pan and then that is multiplied by 4 which is the total number of pans. This will find the volume of all 4 pans.