Find the end time

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Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Consider the function f(x)=-5x+3 what is f(-2)

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit