The number of days, d, to build a house is given by 780
d =
W
where w is the number of workers used each day on site.
Bob's company will take 60 days to build the house.
Pat's company will take 39 days to build the house.
Pat's company will have to use more workers each day than Bob's company.
How many more?

What graph correctly matches the equation y equals two negative x

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?