How many roots, real or complex, does the polynomial 7 + 5x4 – 3x2 have in all?

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

*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

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.