Explain how to change gallons to milliliters

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25