Whats 2+2 I really need help. It's the hardest question I've ever seen. D:

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

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?

Which of the following graphs could represent a quartic function?