Is it -525 or 525 my sister is still lazy omg dang Jesus

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.

Pranza plotted point a in the coordinate plane below.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?