Rebecca had 9/7 of a yard of ribbon. then she gave 7/20 of a yard to a friend. how much does she have left? answer with steps and use numbers and !

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

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.