b) Identify any parameter or statistic. c) Can we say that the sampling distribution of \( \hat{p} \) is approximately normal? Show why. d) What is the mean of the sample proportions? What is the standard deviation of the called the standard error)?

2) Solve for \( A \) and \( B: \frac{3+7 i}{5-3 i}=(A-1)+(2 B-1) i \)

Dos lados de un terreno triangular miden 12 m y 15 m y forman un ángulo agudo a. determina el valor del ángulo a, sabiendo que el terreno tiene un área de 35 metros cuadrados.

Which of the following statements is not true? Choose the correct answer. A. Every function that passes the vertical line test is one-to-one. B. A function \( f \) is one-to-one if for any values \( a \neq b \) in the domain of \( f, f(a) \neq f(b) \). C. A function \( f \) is one-to-one if for any two range values \( f(u) \) and \( f(v), f(u)=f(v) \) implies that \( u=v \). D. Every function that passes the horizontal line test is one-to-one.

d. \( 3 x^{3}+2 x^{2}-3 x-2 \)

Find the GCF (Greatest Co \( \begin{array}{l}\text { a. } 6,24,48 \\ \text { b. } 25,75 \\ \text { c. } 27,9,63 \\ \text { d. } 10,120\end{array} \)