Which weighs more 2.5 pounds of rocks or 40 ounces of feathers

1- identificar select the category that corresponds to each term. january 23 11: 59 pm unlimited attempts remaining grade settings 276-279 vocabulary list modelo fiesta quinceañera casada adolescencia viudo juventud navidad niñez vejez aniversario de bodas divorciado madurez cumpleaños soltera

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Hi, can anyone show me how to do this problem? 100 points for this. in advance