Please help with this !

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

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square