A spinner has 20 equal-sized sections. Eight of the sections are purple. What is the probability that the spinner will land on purple? Express your answer as a fraction in simplest terms

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'