Calculate the volume of the rectangular prism below​

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.

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0