What is the actual height of the object

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 the vertex of the function given below y=x^2-6x+1

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year