4.5+ (-4.5+ 2.6)
written by using the associative property

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 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 ?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?