Which of the following is the correct If-Then statement for: You have a fever if your body temperature is \( 103 \) degrees.  If you have a body temperature of \( 103 \) degrees, then you are sick. If you have a fever, then you should see a doctor. If you have a body temperature of \( 103 \) degrees, then you have a fever. If you have a body temperature of \( 103 \) degrees, then your body will feel hot. 

23) Resuelve las operaciones siguientes y simplifica. \( \begin{array}{ll}\text { a) } \frac{5}{6}+\frac{1}{3} \cdot \frac{2}{5} & \text { b) } \frac{5}{6}+\frac{1}{3}: \frac{2}{5} \\ \text { c) } \frac{13}{2}-\frac{1}{2} \cdot \frac{11}{4} & \text { d) } 9+\frac{10}{3}: \frac{5}{6} \\ \text { e) } \frac{5}{6}-\frac{3}{4} \cdot \frac{2}{5}+\frac{3}{2} & \text { f) } 2: \frac{8}{5}-\frac{16}{3}: 4\end{array} \)

5. Mustafa intends to save RM18,000 into their three children's account; Hanif, Syukri and Khairil; in the ratio \( 3: 4: x \). If Hanif gets RM6,000, find a. the total amount received by Khairil. b. the value of \( x \). (3 marks)

Your neighbors are purchasing bottles of water for a backyard barbecue. They are expecting 90 guests and want to provide an average of 2 bottles of water per guest. The bottles of water are sold in packages of eighteen. Set up the problem below and calculate the number of eighteen-packs of bottles of water they will need. Place your conversion factors in order such that "guests" cancels first. 90 guests \( \times \) packages

d) \( \left(\frac{2}{3} \div \frac{8}{9}\right) \div \frac{5}{3} \)

3. \( \sqrt[3]{189} \)