I'm not sure i picked the right answer

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

What is 32+4 x (16 x 1/2) -2 show your work}