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7) For safety reasons, a ladder must have a slope of 4:1. a) Doug is using a ladder to help him paint the trim on his house. His ladder reaches 4.4 m up the house. How far away will he need to place the ladder in order to have a safe slope? (Hint: set up a proportion and solve) b) If a ladder reaches 5.6 m up a house and is placed 2.2 m away from the house, does it comply with safety regulations? c) Determine the angle of elevation for a ladder with a slope of 4:1. Round your answer to the nearest degree. Statistics 8) Leanne is creating a circle graph associated with her budget. She spent 40% of her income on rent. What is the central angle of this section of the circle graph? OUT mar 9) The following table shows the number of animals on a school campus. Year Number of Number of mice gophers 2000 2000 1258 What is the 200 2112 1225 range for 2002 2118 1210 the number 2003 2145 1190 of gophers? 2004 2100 1 150 2005 2100 1175 10) What type of data cannot be used as the independent variable in a histogram? 11) Liam and Brett drove a delivery truck from Edmonton to Calgary in a day. What does it mean when a line is horizontal or rising on a line graph when Time (hr) is recorded on the x axis and km travelled is on the Y-axis