GEOMETRY! WILL GIVE BRAINLIEST! Please answer and explain, thank you!

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Which expression gives the area of the triangle shown below

What are the solutions to the equation 4x2+3x=24-x