You and a classmate have a bug collection. You find 4 out of every 10 bugs in the collection. You find 4 more bugs in the collection. How many bugs are in the collection?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Use set buikder notation to represent the following set: {, -2, -1, 0}

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 ?