a community hall is in a shape of a cuboid. the hall is 40 m long 15 m wide and 3 m high. the community halls needs re-decorating with new paints for the wall and ceiling and new tiles on the floor. a 10litre tin of paint covers 25 m^2 and cost £10. 1m^2 floor tiles cost £3 each.

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm