Katie has 15/20 of a dollar in her pocket. Lisa has the same amount of money in her pocket. What fraction of a dollar does Lisa have in her pocket?

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

Which of the following represents the zeros of f(x) = 6x3 − 31x2 + 4x + 5? −5, one third , one half 5, − one third , one half 5, one third , − one half 5, one third , one half

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1