Answer:
23cm
Step-by-step explanation:
When converting inches to centimeters the formula is in x 2.54, 9.2 x 2.54=23.368, 23cm!! Hope this helps!
B. Between 5 and 10 years old
Answer:
see the procedure
Step-by-step explanation:
we know that

so



----> is verified
<span>difference of f squared and g = (f^2 - g)
</span>4 times the difference of f squared and g = 4 x (f^2 - g<span>)
</span><span>sum of f squared and 2g = (f^2 + 2g)
</span>4 times the difference of f squared and g, increased by the sum of f squared and 2g = 4 x (f^2 - g) + (f^2 + 2g<span>)</span>