A density All members are below 80 years old
25 members are below 20 years old
9 members are above 65 years old.
a) Complete the histogram
b) Work out the total number
of members of the club.

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.