05-2 Which word phrase can be used to represent the algebraic expression 4(21 + n)?
O 4 plus the sum of 21 and a number n
O 4 times the product of 21 and a number n
O 4 times the sum of 21 and a number n
O 4 less than the sum of 21 and a number n

Which of the following is the result of expanding

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%