If (x-1) / x =20 , then x=

Factor the monomial completely 42a3b3

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?

Which number line correctly shows 0.8 + 0.3?