Please help I'm so tired ik ur tired to but u can do it

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?

What is the answer to question 11? will give extra points! include a explanation (reasonable) for you : )