2. Out of fifty commuters, 24 are taking the MRT and 19 are taking the bus, If ten commuters are taking both means of transportation, a. How many commuters are taking neither the two means of transportation? \( A=( \) commuters taking the MRT \( )=24 \) \( B=( \) commuress tuking the Bur \( )=19 \) \( C= \) (com muless taking both theMRTand Bur \( )=10=90-33-17 \) b. How many are in either two means of transportation? c. How many commuters are taking the MRT only? \( =24 \) d. How many commuters are taking the bus only? - 19

44. An office rents for \( \$ 450 \) per month and measures 12 feet by 20 feet. The advertised annual rent per square foot would be a. \( \$ 22.50 \). b. \( \$ 4.50 \). c. \( \$ 1,875 \). d. \( \$ 18.75 \).

จงหาค่าของ \( \left(\frac{2^{-6}-3^{-6}}{3^{-3}+2^{-3}}\right)^{-1} \) 1. \( 10 \frac{7}{19} \) 2. \( 11 \frac{7}{19} \) 3. \( 12 \frac{7}{19} \) 4. \( 13 \frac{7}{19} \)

35. At the closing, the real estate broker's commission generally appears as a a. Debit to the buyer. b. Credit to the buyer. c. Credit to the seller. d. Debit to the seller.

Resuelve. \( \begin{array}{ll}\text { a) } 5 \cdot(-2) & \text { b) }(-3) \cdot(-4) \text { c) }(-1) \cdot(+3) \cdot(-5) \\ \text { d) } 15:(-3) \text { e) }(-18):(-6) \text { f) }(-20):[(+12):(-3)] \\ \text { Resuelve. }\end{array} \)

\( 1000 \mathrm{~cm}^{2} \). (a) Show that the length of the wire needed, \( P \mathrm{~cm} \), is given by \( P=2 \pi x+\frac{1000}{x} \). (4 marks)