Terry and sandra both found the sum of two 4-digit numbers, but their results were not the same. if terry made an error of addition by one in the thousands column and sandra's result was correct, what was the difference between the larger result and the smaller result?

What are the benefits of different types of career education, like community colleges, vocational training programs, and four-year colleges?

What is the average price for the cordless telephones (to 2 decimals)? $ b. what is the average talk time for the cordless telephones (to 3 decimals)? hours c. what percentage of the cordless telephones have a voice quality of excellent? % d. what percentage of the cordless telephones have a handset on the base?

When the price of pencils increases from $1.50 to $2.50, there is an increase in quantity demanded of pens from 100 to 150. the cross-price elasticity of demand between pencils and pens is: ?