Which of these are characteristics of either porosity or permeability? choose one or more: a. porosity describes the ability of pores to form conduits through the material. b. permeability is a measure of how well the pores are connected. c. porosity is a measure of the amount of the substance composed of empty spaces. d. permeability is the same thing as secondary porosity.

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.