Hercules is making a pizza. The radius of the pizza is 21 inches. What is the circumference of the pizza (use 3.14 for pi and round to
nearest tenth)?
label required

Me answer number 3plz explain how you do it

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

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate