What is the value of cd in the equation 32cd = 11-42?

A. -1/2
B. 1/2
C. 2
D. -2

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.

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?