What is the word expression of 16 ( f-4)

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

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?