Four values that make the expression factorable will be, 2, -4, -18 and -28.
Answer:
well this "paul" could stand on his head or break a bone and his mother would HAVE to pay attention
I believe the answer is D
well, clearly the tax is the added 42 bucks, so hmmm if we take 600 to be the 100%, how much is 42 off of it in percentage?
![\begin{array}{ccll} amount&\%\\ \cline{1-2} 600 & 100\\ 42& x \end{array} \implies \cfrac{600}{42}=\cfrac{100}{x}\implies \cfrac{100}{7}=\cfrac{100}{x} \\\\\\ 100x=700\implies x=\cfrac{700}{100}\implies x=7](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Bccll%7D%20amount%26%5C%25%5C%5C%20%5Ccline%7B1-2%7D%20600%20%26%20100%5C%5C%2042%26%20x%20%5Cend%7Barray%7D%20%5Cimplies%20%5Ccfrac%7B600%7D%7B42%7D%3D%5Ccfrac%7B100%7D%7Bx%7D%5Cimplies%20%5Ccfrac%7B100%7D%7B7%7D%3D%5Ccfrac%7B100%7D%7Bx%7D%20%5C%5C%5C%5C%5C%5C%20100x%3D700%5Cimplies%20x%3D%5Ccfrac%7B700%7D%7B100%7D%5Cimplies%20x%3D7)