Atelephone technician charged $40.00 per hour plus a $45.00 service charge. your fathers firm hires him to hook up his company's phone system. find the total charges if it takes the telephone technician 4.5 hours to complete the task.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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

Identify the number 127 as a rational or irrational. explain