What is the description of the pattern in the sequence? 5, 10, 20, 40, 80,...

The pattern is to multiply by 2.

The pattern is to add 2.

The pattern is to add 5.

The pattern is to multiply by 5.

Anyone know? will mark brainliest if correct!

Select the graph of the solution. click until the correct graph appears. |x| = 3

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?