Spinning a roulette wheel 7 times, keeping track of the winning numbers

Taking algebra two apex courses and need with these questions

Solve the triangle. a = 21°, c = 105°, c = 5

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?