Formula for volume of cone:
V = 
r = 6 km
h = 12 km
V = 
V = 
V = 
V = 452.389 km^3 <----------------------Using the calculators pi button
V = 452.16 km^3 <-------------------------Using 3.14 for pi
Hope this helped!
~Just a girl in love with Shawn Mendes
4 a⁴ - 2 b² + 40 :
4 * ( 2⁴) - 2 * ( 7²) + 40 =
4 * 16 - 2 * 49 + 40 =
64 - 98 + 40 =
-34 + 40 =
+ 6
<span>hope this helps!</span>
Its B
rise over run dictates that its 2/8 which simplifies to 1/4
and its at an upward angle from left to right therefore its positive.