What is the length of each side of a cube if the volume is 343 in^3?

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

What is the slope of the line shown below?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.