An ice cream cone which has a radius of 4 cm is packed full of ice cream and a generous nemisphere of ice cream is placed on top. the volume of ice cream inside the cone is the tame as the volume of ice cream outside the one, find the height of the cone to the nearest m? MATHS WEEK

Factor \( 27 r^{3}-8 \) completely

\( \left. \begin{array} { l } { f ( x ) = - x ^ { 3 } + 6 x ^ { 2 } - 9 x + 11 } \\ { [ - 3,7 , - 30,30 ] } \end{array} \right. \)

(O) \( \frac{28}{7} \)

Multiple-Choice/short answer: ( 4 marks each, Total: 36 marks) 1. Circle all of the following that would be considered an element. \( \begin{array}{ll}\text { a. } \mathrm{S}_{8} & \text { b. } \mathrm{H}_{2} \mathrm{~S} \\ \text { c. } \mathrm{C}_{60} & \text { d. } \mathrm{Ag} \\ \text { e. } \mathrm{Ar} & \text { f. } \mathrm{MgCl}_{2}\end{array} \)

4. Dependent and independent variables The following research studies consist of two or more groups of scores being compared. Fo nonexperimental, and then identify the dependent, independent, or quasi-independent var Fourth-grade classrooms in several elementary schools are randomly assigned to different school year. The school district keeps track of the number of incidents of bullying in each c This study is an example of