Krystine has a weekend job advertising an upcoming play. She has two options for being paid. Option A is an hourly wage of $7.00. Option B is a 5% commission on tickets sales. She plans to work 8 hours on both Saturday and Sunday. Tickets are sold for $10 each, and Krystine estimates she will sell about 200 tickets. Which option gives Krystine more earnings this weekend?

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?