\( \begin{array}{ll}\text { 62. }\left(\frac{15 a^{2} b^{-2}}{-3 a b^{-3}}\right)^{-2} & \text { 63. }\left(x^{-3} y^{-1}\right)^{-1}\left(x^{-3} y^{0}\right)^{2} \\ \text { 65. }\left[\frac{\left(a^{3} b^{5}\right)^{2}}{a^{5} b^{2}}\right]^{-1} & \text { 66. }\left(\frac{s^{-3}}{4 t}\right)^{-3}\left(\frac{5 t}{s^{-7}}\right)^{-2} \\ \text { 68. }\left[\left(\frac{x^{5} y^{2}}{x^{-3} y}\right)^{-2}\left(\frac{y^{-3}}{2 x^{5}}\right)^{3}\right]^{-1} & \text { 69. }\left[\frac{\left(a^{-5} b^{2}\right)^{-1}}{\left(-a^{1} b^{4} c^{-1}\right)^{2}}\right]^{-3}\end{array} \)

3. Which of the following options represents a uniform probability model? Select ALL that apply. \( \square \) A. Picking a letter from the letters in probability \( \square \) B. Rolling a cube painted with 3 blue faces and 3 red faces \( \square \) C. Picking a day of the weekend from the days of the week \( \square \) D. Picking a coin from a bag containing 5 dimes and 5 nickels \( \square \) E. Rolling two dice where the sum of the two numbers is even

\begin{tabular}{l} Evaluating and Solving Exponential Functions \\ \hline Since 1991, the number of fish in Lake Beckett has been decreasing at a rate of \( 1.7 \% \) per year. In 1991, the \\ population of fish was estimated to be 101 million. Use this information to answer the following: \\ \hline a) Write the exponential function \( P(t) \) for this scenario where \( P(t) \) is the fish population in millions \( t \) \\ years after 1991. \\ Exponential Function: \( P(t)= \) \\ b) Determine the number of fish in Lake Beckett in 1996. Round your answer to two decimal places. \\ The population of fish in Lake Beckett in 1996 will be \\ \hline \( \begin{array}{l}\text { c) Determine in what year the population of fish will be half the amount it was in } 1991 .\end{array} \) Round your answer \\ to the nearest year. \\ The population of fish in Lake Beckett will be half of what it was in 1991 in the year \\ \hline\end{tabular}

DETALS MYNOTES OSCOLALG1 2.4.196. Perform the indicated operation and express the result as a simplified comple number. \( (-6+6)+(-9+8 r) \) Submit Answer

1. Dari 4 siswa putra dan 2 siswa putri akan dibentuk tim yang beranggotakan 3 orang. Jika anggota tim tersebut beranggotakan paling sedikit 2 siswa putra, banyaknya cara membentuk tim tersebut adalah .... A. 3 B. 4 C. 12 D. 16 E. 48

Which best describes a futures contract? Glenna paying \( \$ 25,000 \) to her bank in exchange for payments back to her 10 years from now for every month she is alive until or until she reaches 90 years old. An agreement between Ohler Farms to sell it's corn to Fareway for the set price of \( \$ 110 \) per bushel (measurement used for amount of corn) Steve and Sarah combining their money to purchase fractions of stock in Apple and Google A loan you give to the city of Hiawatha so they can build a new park. And for the next 6 years they'll pay you \( 4 \% \) interest on that loan.