The ratio of angle wxz to angle zxy is 11: 25. what is angle zxy

Which expression is equivalent to 2x^2+7x+4?

*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

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25