What do i write in the boxes? i'm so confusedyou!

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?

How do you do the foil method with polynomials?

Maddie's rectangular kitchen has an area of 10 square yards and a length of 3 3/4 yards. how many yards wide is maddie's kitchen?