Answer:
If x=6 & y=2 then 9+3+x-y wil be
9+3+6-2
=12+6-3
=18-3
=15
Answer:
42 cm^3
Step-by-step explanation:
volume of a rectangular prism = L x W x H
the dimensions are7x3x2 so you multiply those numbers and get the volume which is 42
3x+21-12=8x-28
collect the like terms
3x-8x=-28(21-12=9)
-5x=-28-9
-5x=-37
x=7.4
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