A hemisphere on top of a cylinder is shown. The height from the bottom of the cylinder to the top of the hemisphere is h. The hemisphere and the cylinder have the same radius, r.
Which expression represents the volume, in cubic units, of this three-
dimensional object?

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1