What is the selling price if the cost $1260.45 and the markup is 396.00?

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.

Answer this question only if you know the answer! 30 points and

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined