Answer:
= 10x² + 9x³
Step-by-step explanation:
I'm assuming you mean question 19
3x² + 5x³ + 7x² + 4x³ (rearrange to group like terms)
=3x² + 7x² + 5x³ + 4x³ (factor out common powers)
= (3+7)x² + (5+4)x³
= 10x² + 9x³
Answer:
True.
Step-by-step explanation:
I don't know the explanation behind any of it, but a negative number, when multiples by another negative number, is always positive.
The radius of the cylinder will be 
<h3>What will be the radius of the cylinder?</h3>
It is given that
Now we know that
putting values in the formula
Thus the radius of the cylinder will be
To learn more about the Volume of the cylinder follow
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