Please hlep i don’t get algebra at all

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 every rectangle is a parallelogram? true false

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is