I'm confused and I have a quiz tomorrow about it lol , anyone know this ??

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.

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

What is the rate of change of a line that passes through (2,-5) and (6,-2)?