Answer:
option D
Step-by-step explanation:

To get equivalent expression we need to remove the parenthesis
multiply negative sign inside the parenthesis
when we multiply negative and negative it becomes positive.
So the expression becomes

So, option D is the equivalent expression
Answer:160 B.
Step-by-step explanation: first you seperate the two rectangles. then find volume of both by multipling lenngh times with times height then add both of your volumes.
So enter, square root sign, then 3.36 under and it gives you 6.04979….. rounded is:
6.0
C, its the only option that does not say "best" or "more" which are both opinion words.