How many 1-inch cubes do you need to create a cube with an edge length of 5 inches?

Answer question above and explain each step : )

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

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls