I'ma be posting alot of these cuz if I get 1 wrong, i fail:(

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh

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?