The current temperature is -7C . The high temperature yesterday was as many degrees above 0C as the current temperature is below 0C. Which expression could be used to represent the change in temperature from yesterdays high to todays current temperature?

An entertainment firm offer serveral dj choices and light shows that range in price based on the rental time period. the djs cost between $219 and $369 per night and the light shows cost between $159 and $309 per night. if you are booking both a dj and a light show write a compound inequality that represents the possible total amount you would pay x