Abag has four green marbles and eight red marbles. half of the red marbles are made of glass. a marble is selected at random from the bag. what is the probability that is a red, glass marble?

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )