PLEASE HELP DESPERATE NEED IM FAILONG MATH TYSM IF U HELP

The verbal translation for the difference of m and 7 increased by 15

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

*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