Pleasee Help with this plz

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 statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

Is a square always, sometimes, or never a parallelogram