Suppose you answered 19 questions correctly on a test. if this is 95% of the questions, how many questions were in the test?

Which of the binomials below is a factor of this trinominal? x^2-13+30

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Which number produces a rationale number when multiplied by 1/5