SECTION A: BASIC NUMERACY AND ALGEBRA Question One [15 marks] (a) The charge on 1 electron is \( -1.602176634 \times 10^{-19} \mathrm{C} \) (coulomb). i. A metal sphere holds a net charge of -1 C . In scientific notation and correct to 3sfs, determine how many electrons contribute to this charge.

Math on the Spot Sophia uses \( 3 \frac{3}{4} \) cups-bf flour for each cake she makes. She has a 10 -pound bag of flour that cost \( \$ 8.79 \) and contains 152 quarter-cup servings. A. How many cakes can Sophia make with this flour? B. Use your answer from Part A to find the cost of the flour for each cake Round your answer to the nearest cent.

\( 2 x ^ { 2 } + 3 x y - 1 \)

14.25. Вычислите площадь фигуры, ограниченной линиями 1) \( y=x^{2}-5 x+6, y=0 \);

(5) Resultant of two forces 6 newton and 8 newton could \( b \) \( \begin{array}{lll}\text { (a) } 20 & \text { maximum } x \\ x & \text { (b) } 15 \text { minimum } x & \text { (c) } 12\end{array} \)

\( \left. \begin{array} { c c } { 1 } & { 1 } \\ { a } & { b } \\ \hline 1 & { 1 } \\ { a } & { b } \end{array} \right. \)