Can someone answer this

What is the lcm of 16 and 40 ? 24 and 40 ?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

*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