2. Breanna has \( { }^{2 \frac{1}{2}} \) pounds of snack mix to share equally with 4 friends. Which of the following operations will find the weight of snack mix that Breanna should give each of her 4 friends and herself?

ntre numeros de \( \frac{-\frac{6}{5} \cdot \frac{3}{4}}{\frac{9}{8}} \)

EXAM CODE 01 2. a) Find the derivative of \( r(t)=a t \cos (3 t) i+b \sin ^{3} t \boldsymbol{j}+c \cos ^{3} t \boldsymbol{k} \). [7 marks]

\( 1 \leftarrow \quad \begin{array}{l}\text { Find the product and write it in lowest terms. } \\ \frac{6}{5} \cdot \frac{7}{4}\end{array} \)

a) (1) \( \frac{1}{1000} \mathrm{~mm}=\frac{1}{10^{3}} \mathrm{~mm}=10^{-3} \mathrm{~mm} \) (2) \( \frac{1}{100000} \mathrm{~cm}=\frac{1}{10^{3} 1} \mathrm{em}=10^{-5} \mathrm{~cm} \) (3) \( \frac{1000000}{1000} \mathrm{~mm}=\frac{10^{-6} \mathrm{~mm}}{10^{6}} \mathrm{man}=10 \)

Determine whether a regular hexagon will tessellate the plane. Explain. Because Select Choice \( v^{3} \) Select Choice \( \vee \) a factor of \( 360^{\circ} \), a regular hexagon Select Choice \( \checkmark \) tessellate the plane.