Fifteen and one third multiply by twelve equals what

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2