How can you show the probability getting all heads from 1 to 8 coins

If g(x) is an odd function, which function must be an even function?

Which table represents points on the graph of h(x) = 3√-x+2?

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?