Events A and B are disjoint Find P(A or B) when P(A) = 2/3 and P(B) = 1/5 Express your answer as a fraction in simplest form P (A or B) =

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Which group of college students is typically offered scholarship? a. freshmen, sophomores, and juniors. b. biology, english, and engineering majors. c. hard workers, part-time students, and out of state students. d. first time freshmen, current students, and transfer students.

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.