If two numbers have the same sign, then their sum is always positive. true false

Trigonometry hellllllpppppppp asap

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.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11