Please some help me with this problem

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 expression and diagram represent “renee biked four times as far this month as last month”?

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost