Can someone help me with this ASAP please I’m being timed !

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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?