Hi student, let me help you out! :)
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We are asked to simplify the expression
.

That's exactly what we need to do - combine like terms.
So, we subtract:

Which gives us:

Hope it helps you out! :D
Ask in comments if any queries arise.
#StudyWithBrainly
~Just a smiley person helping fellow students :)
Step-by-step explanation:
<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
Let distance travelled by Nichol =x
<h2>ATQ</h2>












Nichol runs 1.6miles .
Answer:
The 4th option
Step-by-step explanation:
Mark me as brainliest please
Answer: H
Step-by-step explanation:
We can see this rectangular prism will have side lengths of 5, 3, 7.
So we can use the fact Surface Area = 2(lh+wh+lw) to get:
2(15 + 35 + 21) = 2(71) = 142