Explain the importance of using formal writing style when writing an explanatory essay. Note the main characteristics of formal writing.

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?

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b