£5 £8
£4 £50
£6
£8 £7.50 £10 £8 £7
(a)
(b)
Work out the median
Work out the mean
Which average, the median or the mean, is most suitable for this data?

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer