On a multiple choice test of 86 questions, a student get 8 questions wrong. to the nearest percent, what percent of the questions did the student solve.

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.

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form