1200 1500 Mary must leave for the airport in 90 minutes. Mary wants to go to lunch with her husband Nik before, which usually takes 60 minutes, plus the time to drive there ( \( x \) ) and back ( \( x \) ). Mary and Nik go to many restaurants. In choosing one, how far of a drive to the restaurant can Mary and Nik consider? (Assume no extra traffic either direction). 15 minutes 30 minutes

Work out the \( n \)th term of the following number patterns. a) \( 2,4,6,8, \ldots \) b) \( 3,5,7,9, \ldots \) c) \( 5,8,11,14, \ldots \) d) \( 1,5,9,13, \ldots \) e) \( 12,22,32,42, \ldots \) f) \( 2,8,14,20, \ldots \) g) \( 3,4.5,6,7.5, \ldots \)

a) \( \sqrt{48}+\sqrt{27}= \)

Evaluate each expression. (a) \( \log _{6} 6= \) (b) \( \log _{4} \frac{1}{64}=\square \)

5. Diketahui \( f(x)=x \), maka \( f(2)=\ldots \) A. \( 2 f(x) \) B. \( 2 a \) C. 2 D. \( f(x) \) E. \( a \)

A sewage treatment plant discharges a pollutant with a concentration of \( 19 \mathrm{mg} / \mathrm{L} \). The plant's total discharge is 0.3 MGD (millions of gallons per day). Determine the rate of pollutant released in pounds day. Give your answer accurate to at least two decimal places.