Question \( \{11\} \) 4 Disease may be spread by swallowing food or water that contains harmful organisms such as bacteria. (a) Write down the name of one other type of organism that spreads disease. (b) Describe two ways good hygiene controls the spread of diseases carried food and water.

Determine whether the relation is a function. Give the domain and the range of the relation. \( \{(2,5),(2,9),(7,5),(7,9)\} \) Is this a function? No The domain is \( \{\square\} \). (Use a comma to separate answers as needed.) The range is \( \{\square\} \). (Use a comma to separate answers as needed.) (U)

(e) \( 4 x=-28 \) (g) \( 3 x-4=11 \) (i) \( 12-7 x=6 \)

There are white, black and green counters in a bag in the ratio \( 12: 13: 5 \) There are 300 counters in total. Calculate the number of white counters.

10. Assertion \( (A) \) : Interest is the extra.money paid on money deposited. Reason \( (R) \) : Amount paid at the end of term is the sum of Principal and interest i) Both Assertion \( (A) \) and Reason \( (R) \) are true and Reason \( (R) \) is the correct explanation of Assertion \( (A) \). ii) Both Assertion \( (A) \) and Reason \( (R) \) are true but Reason \( (R) \) is not the correct explanation of Assertion(A). iii) Assertion(A) is true and Reason \( (R) \) is false. iv) Assertion(A) is false and Reason(R) is true.

Solve for \( u \) and graph the solution. \[ \begin{array}{l}30<|6-6 u| \\ \text { Click two endpoints to graph a line segment, an endpoint and an }\end{array} \]