Math Questions what do these mean? Poincaré Conjecture.
Birch and Swinnerton-Dyer Conjecture.
Hodge Conjecture.
Navier–Stokes Existence and Smoothness.
P Versus NP Problem.
Riemann Hypothesis.
Yang-Mills Existence and Mass Gap.

If m 17 27 90 63 ** picture is attached

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?