Answer:
150u+90
Step-by-step explanation:
..
Answer:
Step-by-step explanation:
See attached picture for the answers:
Answer:
<em>TIM'S ANSWER IS WRONG.</em>
The correct simplification is
.
Step-by-step explanation:
Given the difference expression

Tim's answer : 
<em />
<em>TIM'S ANSWER IS WRONG. </em>
Let us correctly simplify the difference expression
As



Combine Like Terms:

∵ 
Hence, the correct simplification is
.
<em>Keywords: operation, difference</em>
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Answer:
i dont know Sierra studied for 7 and William studied for 3
Step-by-step explanation: