Francesca spent 45 minutes on the internet yesterday. if this is 3/4 of the time she spent on the computer, how long did she spend on the computer but not on the internet

Need on this geometry question. explain how you did it.

Math question.. plz me .. best answer all

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18 }, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.