Answer is on the attachment. Brainlist pls.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

Required
Simpify
The very first step is to take LCM of the given expression

Perform arithmetic operations o the numerator

Divide the numerator and denominator by 2


The expression can't be further simplified;
Hence,
= 
<h3>
Answer: 3^9</h3>
This is the same as writing 
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How to get that answer:
The lowest height is 3^8, and the highest point is 3 times that value.
We can think of that second "3" as really 3^1. This is because x^1 = x for any real number.
Multiply 3^8 and 3^1 using the rule that a^b*a^c = a^(b+c). We add the exponents together.
Therefore, 3^8*3^1 = 3^(8+1) = 3^9
Side notes:
Answer:
-7x≥-21
Solution:
-7x ≥ -21
÷-7 ÷-7
flip the sign when we divide by a negative number
x ≤ 3
≥ and ≤ mean closed dot