Final answer:
The subject of this question is Mathematics in High School, where students learn about the scientific method and its application in various subjects, including Mathematics.
Step-by-step explanation:
Mathematics in High School
Based on the given information, questions 1, 3, and 4 can be tested using the scientific method. This suggests that the subject of this question is Mathematics. In high school, students learn about the scientific method and how to apply it in various subjects, including Mathematics.
For example, in question 4, where you are asked to calculate a linear equation, you can use the scientific method to solve it. By entering the data into a calculator or computer and applying the appropriate formulas, you can arrive at the answer. This demonstrates the use of scientific methods in Mathematics.
Overall, the question pertains to Mathematics in a high school context, where students learn about the scientific method and its application in various subjects, including problem-solving and calculations.