$893.996 rounded to the nearest cent

Which system of linear inequalities is represented by the graph?

Pls brainliest will be awarded if answer is correct

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?