Abag contains only blue and red marbles. asman takes 1 marbles at random out of a bag. probability that she takes a red marble out of the bag is one in five asman returns the marble to the bag and adds 5 more red marbles to the bag. probability that she takes one red marble out of the bag is now one in three how many red marbles were originally in the bag

Explain how earth is like a giant bar magnet. how is our magnetic field made?

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

Which object has the least amount of kinetic energy? a. a car driving down a road b. a soccer ball rolling down a hill c. a bicycle locked to a bike rack d. a satellite orbiting earth