What the percentage of 25 out of 100?

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

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?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?