There are 20 chickens and 30 ate cows how many left over?

Question 5 spring semester final exam math evaluate

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

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?