Does anyone know how to use a compass in geometry ?

What is the product? (x2+3y+7) [yy+1)

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)