X plus three divided by 3 equals nine

Which expression converts 45 degree to radians

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

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?