The length of a spring varies directly with the mass of an object that is attached to it. When a 30-gram object is attached the spring stretches 9 centimeters. Which equation relates the mass of the object, m, and the length of the spring, s?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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?

Will give a: 122 b: 90 c: 48 d: 180