How is the subtraction of integers related to the addition of integers?

Find the commission on a $590.00 sale if the commission is 15%.

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2