Plz help solve this thanks

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Find the nonpermissible replacement for binthis expression.b2/5b +5

*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