Mrs. Crosland asked students to factor the expression 28x - 8. The students offered the answers in the box. Which student(s) offered answer(s) equivalent to the original expression?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?