Volume of the first dwarf planet (r₁ = 832 mi):

Volume of the second dwarf planet (r₂ = 829 mi):

So difference between the volumes is:

or if we want exact value (we use (a³-b³) = (a-b)(a²+ab+b²) ):
<em>Answer:</em>
a
<em>Step-by-step explanation:</em>
lets substitute 5 into every equation. (using 5 every time won't work every time ofc)
ok so 5(x+6)=55 would simplify into <em>5x+30=55</em> which in this case would be <em>5(5)+30=55 </em>
and 25 plus 30 (obviously) = 55
so A is the right answer
No because they are straight lines, they cannot curve to intersect more than once, think of a capital X.