At the beginning of the year Adrian saving account balance is $28 each week he deposits another $15 into the account and he doesn't spend any of his savings. Is his savings account balance proportional to the number of weeks since that start of the year

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?