The table shows the average daily number of hours sleep of 10 children. Age (years)
1 3 8
5 2 7
7
Number of hours sleep 12.5 15 13.2 11 14 | 12 14 11.69.8 | 11
6
4.
9
167
The first eight results have been plotted.
a) Plot the next two points.
14
Number of hours sleep
b) What type of correlation is shown
by the graph?

Given abcd ac=38 and ae=3x+4 find the value of x

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?