Ricky read the first 3 chapters of a book. Chapter 1 has 11 pages. Chapter 2 has 7 pages. Chapter 3 has 9 pages. Sally read 46 pages of her book. How many more pages did Sally read than Ricky?

What are “like terms”? why can we only add like terms?

Equation for the calculation double 2 and then add 5

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?