38% of what is 4 ?? explain please

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.

The only way to identify an intercept is as an ordered pair. true false

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5