Answer: C. 2
Step-by-step explanation:
The expression that is not a rational expression is:
<h3>What is a rational expression?</h3>
A rational expression is an expression that has a variable in the denominator.
For expression , x + 3 is a common term to the numerator and denominator, hence it is simplified to 2x - 1 and is not a rational expression.
More can be learned about rational expressions at brainly.com/question/2264785
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K/2+9=30 1. Start by getting rid of the number farthest from K
-9 -9 2. The nines cancel out, 30-9=21
K/2 = 21 3. Next, get the 2 away from K
/-2 /-2 4. The 2 cancel out when divided, 21 divided by -2= -10.5
K = -10.5
K=-10.5
=πr2h
Area of circle
=πr2
=V/h
=100/30
≈3.33cm
Square root of 64 is 8. 8x8=64
cube root of 64 is 4. 4x4x4=64
