Find the exact area of the shaded region.
a) (192pi-144) m^2

b)(192pi-144 v3 ) m^2

c)(8pi144 v 3 )
d) none of the above
see attatchment

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Evaluate the expression. (9 + 5)(3 + 2)0

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