How many thousands are there in 800,000

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work