Polina is a Russian immigrant. She has no problems talking to her friends in English, but she struggles to understand concepts in content areas when they are presented in English. This indicates that Polina is proficient in:a. academic language skills. b. code-switching skills. c. contextualized language skills. d. inside-out skills and processes.

c) Contextualized language skills

Explanation:

Contextualized language skills are skills and abilities that are used for actual communication.It depicts construction of language by speaker for  meaningful and purposeful context.

According to the question,Polina is skilled in contextualized language skills as she is able to analyze and construct language in terms of situation context of English language.She faces difficulty in understanding the context in other areas.

Other  options are incorrect because academic language skills, inside out approach and code-switching approach are not the skills that defines Polina's proficiency. Thus, the correct option is option (c).

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds