(12x3)+(3x2) Because on Monday he bought 12 songs for $3 each and on Tuesday he bought 2 songs for $3 each.
Reflect across y axis means that you replace x with -x
f(-x)=2(-x)=-2x
g(x)=-2x
de graph is the one that passes through (0,0) and (1,-2) and -1,2)
Answer:

Step-by-step explanation:
Putting this into expression form, it would be:
12 ÷ (h + 2)
Hope this helps!
The volume is 336 cubic feet
6x8x3 = 144
8x4x6= 192
144+192=336