Answer:

Step-by-step explanation:

Answer:
The line of symmetry can be defined as the axis or imaginary line that passes through the center of the shape or object and divides it into identical halves.
Answer: option D
Step-by-step explanation:
The formulae for standard error = standard deviation/√n
But population standard deviation = 1.8 and sample size = n = 81
Standard error = 1.8/√81 = 1.8/9 = 0.2
<em>Answer:</em>
D)(6(-3)/9)
<em>Step-by-step explanation:</em>
<em> -1</em>
<em>Simplify ——</em>
<em> 3 </em>
<em> -1</em>
<em>6 • ——</em>
<em> 3 </em>
<em>-2</em>
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<em />
2 over 3 you're welcome :)