Pls!! Help me I’m failing :{

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

How is the number of vertices for a prism related to the name of the prism

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label