The scatter diagram shows the value, in thousands of dollars, of eight houses in 1996 and the value of the same houses in 2016. 200- 180- 160- 140- 120- Value in 2016 (Sthousands) 100- 80- 60- x ☑ 40- 20- ☑ × * ☑ 0' 10 20 30 40 50 60 70 80 90 Value in 1996 ($thousands) 100 (a) One of these eight houses had a value of $70000 in 1996. Write down the value of this house in 2016. (b) The values of two more houses are shown in the table. $ .... Value in 1996 (S thousands) Value in 2016 (S thousands) 40 80 80 150 On the scatter diagram, plot these values. (c) On the scatter diagram, draw a line of best fit. (d) Another house had a value of $50000 in 1996. Find an estimate of the value of this house in 2016. S........

Describe how you have used two topics from this chapter in your life outside of your math class during the past month.

Give an example from your life using the phrase ‘at least’.

In horse racing, a “trifecta” occurs when a bettor wins by selecting the first three finishers in the exact order (1 St place, 2nd place, and 3rd place). How many different trifectas are possible if there are 14 horses in a race?