What is the circumference of this circle, in centimeters? Use 23/7 for

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

Find the quotient with the restriction.

Write the equation in logarithmic form 8^x=64