Answer:
31.5
Step-by-step explanation:
You need to first use the formula of calculating surface area of a cuboid
SA=2(lw+lh+wh)
now you put the values in as
H=3
W=1.5
L=2.5
You get 31.5
Hope this Helps!
-3x+5y-(-6x)+3y
-3x+5y+6x+3y
-3x+6x+5y+3y
3x+2y.
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