The rate at which a man travels from City A to City B varies inversely as the time it takes to make the trip. If the
man can make the trip in 3į hours at 60 kilometers per
hour, how many kilometers per hour must he travel to make
the trip in 3 hours?

You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density

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?

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.