The statement "Wrife an advertisement" is indicated in the CAPS (2011) as content that must be taught to Grade 4 HL. learners. Explain how you would teach learners to write an advertisement. You need to indicate what the advertisement must be on (e.g. a car, a shop, food, healthy living, a specific service, medicine, etc) and what activities you will expect learners to do during each of the phases of the writing process. [20]

\[ \begin{array}{l}\text { (5) } \\ \qquad 8 x+32 y=12\end{array} \] For what value of \( A \) will the system of equations above have no solutions?

Write an equation in slope-intercept form for the line with slope \( \frac{1}{2} \) and \( y \)-intercept -1

Simplify the expression and write the answer with positive exponents only \( \left(3 a^{2} b\right)^{3} \) select one: a. \( 3 a^{5} b^{4} \) b. \( 27 a^{5} b^{3} \) c. \( 3 a^{6} b^{3} \) d. \( 27 a^{6} b^{3} \)

Prove that \( \frac{\sqrt{1+2 \cos B+\cos ^{2} B}}{\sin ^{2}+B+\sin ^{2} B \cos ^{2} B}=\frac{1}{1-\cos B} \)

iii) \( \lim _{x \rightarrow 0} \frac{\varepsilon \varphi 4 x}{\eta \mu 2 x} \)