Corri received money for her birthday. She let lakisha borrow $4.50 and spent half of the remaining money. The next day she received $10 from her uncle. After spending $12.50 at the movies, she still had $7.75 left. How much money did she receive for her birthday? write an equation and solve.

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